File Manager for Android Free

get the source from github:
https://github.com/tigo4/android-file-manager
features:
- uncomplicated file manager
- image viewer
- open files with system available apps
- send files to system available apps including Gmail™ and Drive™
- built in functionality to transfer files over FTP
- ZIP with checksum
- no internet permission required
- fast directory navigation
- search on txt files
- filter listing by filename
- case-sensitive or ignore case
- device default theme
==> free application without ads, review it and share with your friends to keep it that way
The Android robot is modified from work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License.
http://creativecommons.org/licenses/by/3.0/