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

Quick estimation of the distance to any object and the object height and width

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.

All programs - Programming android application

NFC Tasks : Create your tasks, simplify your life.

Fast, lightweight and easy to use file manager. Simple, with a smooth intuitive interface, Explorer is perfect for organizing your internal storage and SD card contents. You can also easily access your cloud and network files.

Automatic device for measuring voice parameters, noise and music
This app will turn your Android into a sensitive device that will measure the parameters of any digital sounds (voices, noises, and music). The device uses a new algorithm that allows you to calculate the numerical parameters of harmonic spectra. The measurements are carried out simultaneously on four independent channels and displayed in an intuitive way.

OnSign TV is an incredibly easy-to-use Digital Signage Management Solution for Android. It lets you manage your digital signage down to each individual screen and change the content of your displays whenever you need.

Duplicate files searcher and remover, based on content, file name, or similarity

Protect, Optimize, Speedup.
Absolutely free, no Ads, no registration!

A variety of powerful system tools and utilities to get things done on Android.

Native high performance MySQL database Backup / Restore functions for android devices.

SWardriving. Wi-Fi Wireless.

Wireless Wi-Fi Wardriving, Warbiking, Warwalking, Warjogging, Warrailing, Wartraining, BusWardriving ...

A simple application for Wardriving anywhere in the world. Do not let it escape the location of any Wireless Wi-Fi network.

Una aplicación sencilla para Wardriving en cualquier parte del mundo. Que no se te escape la localización de ninguna Red Wireless Wi-Fi.

http://SWardriving.blogspot.com
http://Buckynet.blogspot.com

The app helps to monitor the state of Wi-Fi networks by gathering advanced data

*Feature:
★1Antivirus &Deep Learning Tech
★Real-time Protection
★Wi-Fi Security
★Privacy browser
★Junk File Cleaner

Basic anti-virus protection for mobile devices (FREE).