New Version Released: Chem4Data 2.2.5

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On June 29, 2014, I had released Chem4Data 2.2.5 version with these changes:

1. Added support for user-defined database backup folder.
2. Associated web page and Home page links will be opened in default web browser, instead of Internet Explorer.
3. Added New Feature: Search displayed chemical on Google with “Shift + 3” shortcut key using default web browser.
4. Prevention of Database file from duplicate entries.
5. Updated database has 80+ records of chemicals alongwith their chemical structure and associated web links.

You can download Chem4Data latest version from this link:


Main Screen:


Google Search:


Search Result:


Features list:


Chem4Data Change log is available HERE.

Root QMobile Noir A2 and Install CWM Recovery version

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QMobile Noir A2 was first rooted by an XDA forum member named as “Nagdrx”, although he is so humble about this procedure that he is not the creator of this method and just connected some pieces to get a working method. This statement gave a room to some cheaters to claim the ownership of this method. But the fact is fact. He is still the first person who practically rooted QMobile Noir A2 (MT 6575 version 2 ). I personally very thankful to “Nagdrx” for his post. You can read his great post from this page.

Anyway, I followed his procedure and made this simplest tutorial for beginners who can’t understand it without screenshots. First of all, download this compressed file to your PC. Uncompress above rar file to desktop like this:


You will see “Noir A2 ROOT” folder having these contents:

1. SP_Flash_Tool (Folder)
2. CWM-Recovery- (file)
3. MT6573_Android_scatter.txt (file)
4. (file)

Copy compressed file “” to SD Card of your mobile. Now install USB driver from this rar file before proceeding to the next step. It is assumed that USB debugging mode is enabled on your mobile. You can get it by going to Menu > Settings > Applications > Development > USB debugging (check: ON). Select Allow USB debugging : OK.

Disconnect your mobile from PC and follow these steps:

Open folder “SP_Flash_Tool” :


Execute “Flash_Tool.exe” file to see screen below :


Click on “Scatter-loading” radio button and select “MT6573_Android_scatter.txt” file :


Click “OK” to ignore this message :


This will load the scatter file. Now click on “Recovery” option to open “CWM-Recovery-” file :


You can see complete file path of Recovery image file when you open it :


Switch off your QMobile Noir A2 mobile and remove battery for few seconds. Then again put battery into mobile but keep it in switch-off state. Click to “Download” radio button which will start the 14 seconds count down :


Immediately connect your mobile to PC via USB cable to start the download process :


After the completion of download, you will see “Rom Download Result” dialog message followed by green circle dialog screen like below :



Now CWM Recovery has been installed. Close the “SP_Flash_Tool” software. Automatically you will see “Found New Hardware Wizard” dialog screens. Just click “Next” button and follow the steps :








Now disconnect your mobile from PC. Press “Power” button, Volume UP and Volume Down keys simultaneously for 3 seconds till you see two options:

Recovery Mode: Volume Up
Factory Mode: Volume Down

Just press “Volume Up” side key to boot into Recovery Mode. You will see this screen:


Select “install zip from sdcard” by pressing “Power” button :


Select “choose zip from sdcard” by pressing “Power” button :



Select “” file and press “Power” button :


This will install SuperSU application into your mobile :


Now you have “Rooted QMobile Noir A2” with CWM Recovery installed. Select “reboot system now” to go into system mode. Below are the screenshots after the root process:




WARNING: After this root process, you must make backup of currently installed ROM before uninstalling any application. So that you can easily go back to its original state. You can do it (under CWM recovery) by going to backup and restore > backup.

All the screenshots of system and recovery modes are taken by using my newly developed software “AndScreen v 1.1.0”, developed in Visual Basic 6 language. I will upload this new 1.1.0 version  on 21st October, 2013. Below is the screenshot of this upcoming version 1.1.0:


All the comments will be published after moderation.

Usman Afzal

AndScreen : A Screenshot Utility for Android Devices (System and Recovery Modes Supported)

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I have developed a new screenshot application for Android devices,  works under System and Recovery modes as well and released “AndScreen version 1.0.0” for Windows XP / 7 (32 bit) systems.

AndScreen has made it very easy to capture Android screens in much lesser time than ever before. Screenshot images will be saved in a pre-defined folder with a unique file name.

Andscreen (System Mode):


AndScreen (Recovery Mode):


Also It has a built-in Screenshot Viewer component for fastest browsing.

AndScreen (Screenshot Viewer):



You can see all removable USB devices connected to computer and the information will be displayed in the format like:

USB > Removable > Drive (Letter)/ >  Device Name :: Vendor ID :: Product ID :: Product Revision

AndScreen (Main Features):

● Ability to take screenshot of display screen (for Android devices only).

● Both System and Recovery modes are supported.

● Recovery mode only works with rooted phones.

● Ability to save and view screenshots in 4 different image formats ( png, tif, gif, jpg).

● No need to type any DOS command. AndScreen is the ONLY application which gives the simplest process to take screenshots and then examine these using its built-in Screenshot Viewer.

● Screenshots will be saved as a pre-defined format like “A(date)-(time).xyz” in C drive folder “AndScreenshots”.

● Monitor all the Removable USB devices connected to your computer like mobile phones, flash drives, memory cards (with card reader) etc.

● It has a built-in Screenshot Viewer with a special scrolling option for larger images.

● You must have Android SDK alongwith USB drivers installed on pc in order to use AndScreen application.

● You must locate the Android ADB folder “Platform-tools” in order to use “AndScreen” for the first time only.

AndScreen is developed in Visual Basic 6.0 language under Windows XP SP3 machine.

● Supported Windows OS: XP/ 7 (32 bit)

You can download AndScreen  from My Softwares Page link.

AndScreen Version History

Possible Error Messages:
Error # 1 (a) : File Not Found: adb.exe. Please relocate default folder
(b) : File Not Found: AdbWinApi.dll. Please relocate default folder
(c) : File Not Found: AdbWinUsbApi.dll. Please relocate default folder

Solution: Android SDK must be installed on your PC  in order to use “AndScreen” software because “AndScreen” will use above three missing files which are a part of Android SDK package. Read this tutorial for the easy installation of Android SDK package alongwith USB drivers.

Then Relocate the default folder “Platform-tools” by Manual or Automatic process. Then “Save” this location and restart “AndScreen” software. You will never see above error messages again.

Error # 2: “File Not Found: fb0.raw. Process Stopped !!”

Solution: Disconnect your mobile from PC and reconnect again. Also restart “AndScreen” software. Make sure that your can see your android phone information in the black horizontal screen like this:

System Mode  (for  non-rooted/ rooted phones):


Recovery Mode (for ROOTED phone only):

Also make sure that “USB debugging” mode is enabled in your phone because your phone will never detect in “Mass Storage” mode.

Above screenshots are taken by using Rooted QMobile Noir A2 which is a Mediatek MT65xx device.

New Version of Chem4Data 2.1.0 Released !!

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Yesterday, I had released a minor update of Chem4Data version 2.1.0. These minor changes are as follows:

Added New Feature: Backup current database with an automated unique name format like “Chem4data(date)-(time).mdb”.

Added New Feature: Select database (.mdb) file from backup folder.

Those who are not aware about Chem4Data, this is a short introduction:

Chem4Data is a free chemical database software developed in Visual Basic 6 language for Microsoft Windows systems. You can do modifications like add new record, edit existing record, delete record, update record etc without any internet connection, though the database file is stored in Chem4Data Program Folder. You can search chemicals according to 8 different fields. Database navigation is quicker than before by using keyboard arrow keys. Ascending and Descending records are just a click away. You can download Chem4Data latest version from this link:

Screenshots of Chem4Data 2.1.0:

Home Screen:

Chem4Data2.1.0homeRecord Menu:


Navigation Menu:


Database Export Menu:

Chem4Data2.1.0export1Backup Database:

Chem4Data2.1.0backupsavedasSelect Database:

Chem4Data2.1.0backupselectNew Version Found:

Chem4Data2.1.0update1Download New Version:

Chem4Data2.0update2bInstall New Version Automatically:

Chem4Data2.1.0update2cLatest Version Installed:Chem4Data2.1.0update3

Chem4Data 2.1.0 Features:

* Maximum 1 MILLION records are supported.

* Database navigation by Next, Previous, First, Last buttons.

* Search database by 8 fields.

* Show info like Chemical Name, IUPAC Name, CAS Registry Number, EC Number, SMILES Code, Solubility, STP Outline, Melting Point, Boiling Point, Percent Purity, Molecular Formula, Molecular Weight, Equivalent weight, Physical Appearance, Specific Gravity, pH Value, Special Note and Chemical Structure.

* Associated Web links for every record.

* Sort records as ascending and descending order.

* All fields of a record are editable by a single click.

* Edit, Delete records and add New records.

* Save current record info as text (.txt), Word (.doc) or Excel (.xls) file.

* Print current record info

* Make quick backup of database file on PC with an automated unique name like “Chem4data(date)-(time).mdb”.

* Select & open database file from backup folder.

* Export entire database to MS Excel (.xls) file.

* Delete entire database by a single click, if you want to use a new database instead of deletion of records one by one manually.

* Shortcut keys for fast operations.

* Check for new version and Update instantly.

Keyboard Shortcut Keys:

Next Record: Right Arrow Key

Previous Record: Left Arrow Key

First Record: Up Arrow Key

Last Record: Down Arrow Key

Backup database: Ctrl + B

Select database: Ctrl + F

New Record: Ctrl + N

Edit Record: Ctrl + E

Update Record: Ctrl + U

Delete Record: Ctrl + D

Sort A to Z: Ctrl + A

Sort Z to A: Ctrl + Z

Open Web URL Link1: Shift + 1

Open Web URL Link2: Shift + 2

Print Record: Ctrl + P

Exit Program: ESC Key

Chem4Data Change log is available  HERE

Your comments n suggestions are welcomed!!!

Use ADB Method to Install apps or Move installed applications to SD Card on your Android phone

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There are many android applications present on Google Play Store that are capable to move or install apps on SD Card. The good example is App2SD which I  have used but it is failed for some Android applications like Adobe Flash Player, Screenshot and so on.

There is better alternate solution which is ADB method (ADB stands for Android Debug Bridge). Below are the screenshots BEFORE and AFTER applying this ADB method:

BEFORE Applying ADB MethodAFTER Applying ADB Method

These are the steps of ADB method:

(1) Download and install Java. Skip this step if JDK (Java Development Kit) is already installed on your Windows OS.
(2) Download and install Android SDK . It is very important that the installation path must be “C:\android” to avoid any confusion.

(3) Run Android SDK Manager by going to “Start Menu > Programs > Android SDK Tools > SDK Manager”.

Select the packages like Android SDK Tools, Android SDK Platform-tools and Google USB Driver Package and click “Install Packages” button.

android sdk1a2

android sdk1a3

android sdk1a4

(4) On your Android device (Qmobile Noir A2), go to Menu > Settings > Applications > Development > USB debugging (check: ON). Select Allow USB debugging : OK.

USB debugging mode

Before proceeding, make sure that you have installed the USB drivers from Qmobile driver CD. Now connect your mobile to PC via USB cable which will automatically start the Qmobile PC Suite application. Just close it (don’t connect it).

pc suite3a1

For Windows XP users:

(a) Run Command prompt by going to Start Menu > Run

Run cmd
(b) Write cmd and press OK. The command prompt window will open.

Command prompt
(c) Type cd C:\android\platform-tools and press ENTER key.

ADB devices
(d) Run command adb devices and press ENTER.

ADB devices

This will show the list of all devices attached.

ADB devices attached
(e) Run the following command to check the install location of your Android device:

Command # 1:
adb shell pm getInstallLocation
or adb shell pm get-install-location (for ICS versions)

command 1

The output will be 0[auto] by default. Below are the options you have:

0[auto] : Installation to auto location decided by Android OS
1[internal] : Installation to internal storage of mobile
2[external] : Installation to external media like SD Card

To set SD Card as default install location, run this command:

Command # 2:
adb shell pm setInstallLocation 2
or adb shell pm set-install-location 2 (for ICS versions)

command 2

To verify that above command worked correctly, you can run Command # 1 again.

verify command 1

To change the install location to 0[auto] again, run this command:

Command # 3:
adb shell pm setInstallLocation 0
or adb shell pm set-install-location 0 (for ICS versions)

command 3

Run Command # 1 again to verify the install location:

verify install location

You can simply unplug your mobile from PC after setting install location to SD Card.

I have made this tutorial simple for inexperienced Android users. If you have any question related to this article, post it here.

Make Backup of Installed Apps of Your Android Phone on Memory Card (as .apk files)

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There are many Android users who want to make backup of installed applications of their Android phone or tablet on memory card (SD card). The possible reasons are as follows:

  • User want to apply full factory reset which will erase all manual installations.
  • User want to install same apps on another Android phone without any internet connection.
  • User have installed an application which has moderate importance for him but due to insufficient internal storage of phone, he want to uninstall it.

There may be any other reason for you but if this is the case, then My APKs is an ultimate solution for you. This is the best backup & restore solution of installed applications for your Android phone. This is completely FREE and also ADS FREE application. A must have application for your Android devices.

Main Features of “My APKs” application:

Create backup of installed applications on memory card. You have option to manually select every single installed application or just make a backup of ALL installed apps by a single click. I have 38 installed apps and it took approximately 15 seconds (for 57MB size) to save all these apps on SD Card as “.apk” files. It is assumed that you already know what is “apk” file (Android Application Package). For more info, please read this article.

The home screen of My APKs shows a list of all installed applications. Select any application and long press on the screen will show some options for you like:

Details : Shows information about installed application like version number, installation date, updated date, file size, permissions etc.

Copy to : Select the folder on memory card to save the selected application as a .apk file. I have manually created new folder named as “My_APKs”.

Share (apk) : Share the selected app via wifi, bluetooth, email, skype etc.

Share (url) : Share the web link of selected app present on Google Play Store.

Report : Save the list of all installed applications on SD card as txt, html or pdf file.

These are the screenshots of My APKs application running successfully on QMobile Noir A2 (1GHz version, Gingerbread 2.3.6):

The best part is that you can also save system apk files like Google Play Store. First, you have to select option “Load System Apps too : YES” under “Settings” Menu. Then make a backup which will save all apk files (APK Folder size : 176 MB for my case). One can easily find the required apk saved file if browse it from Android File Manager as seen in the screen shots above.

Developer’s Website link