PDF Utility is very comprehensive tool to perform various operation on pdf file.
No limit on file size.
-Split the pdf file at specific page.
-Merge many pdf to one pdf
-Extract Images from pdf
-Overlay pdf files
-Encrypt(password protected) pdf

FREE VERSION.
A simple App to backup and restore APNs. The backup is stored in the /sdcard/APNBackupRestore folder.

Please report any problems on my site or email me with detailed error message.

http://android.riteshsahu.com/apps/apn-backup-restore

Simple tool to check your connection ip,proxy ip

Fast Translator

is a free translator with 37 languages supported including the most used languages , you can easily translate any language.

Send sms,mail,facebook, your translated messages in any language, (pro only)

A simple and easy to use percentage calculator. Features include calculate percentage, calculate discount, calculate increment, calculate before discount, calculate before increment, calculate percent of and calculate percent change.

One Click Uninstaller Pro

Android Sound Pressure Level Meter using the phone microphone.

•Displays the sound pressure level meter in SPL db
•Displays Maximum SPL value.
•Logs SPL value to an excel sheet.
•Two Modes : FAST and SLOW
•Calibration for both Fast and Slow modes
.Help option on how to use the app
.keeps screen on while app runs

http://www.mobware4u.com

Quick Shortcut (QS) apps allow you to launch various Android setting pages, or application pages, fast and easy. Rather than tapping through multiple setting screens to get there, use Quick Shortcut apps with one tap. Put shortcuts on your home screen or arrange them into folders. Customize your Android device desktop as you wish.

It is a battery percentage level indicator app. Its size is only 500 KB. So this app is so lite and never uses RAM & Battery with improved & lite UI.