7Zipper ToolBox APK for Android

It support many utilities.

Installed Application

Calculator

Date Calculator

FTP ( client, server)

HTTP Server

Image Resize

Image Format Converter

SDCard Optimizer

IP Scan ( include PING)

Text Viewer

Media Scanner

Clear Cache

Lan Network (SMB)

Finger Painter

Folder Compare

Color Picker

Shortcut Maker

Compass

Level

Unit Converter

Gif

Permission Manager

Memo Widget

Todo Widget

Stop Watch

System information (viewer)

Protractor

Ruler

File Share

Photo Calendar

etc