Tetra filer is a simple and stylish file manager that's focused on SD card file operations. The main concept behind this app is to make the best lightweight, easy and safety file manager for Android™.

Features:
* List view
* Cut, copy, paste and delete
* Folder creation
* Rename
* Search (with wildcards)
* Compress and extract
* Property
* Bookmark
* Shortcut
* Multiple selection
* Sort
* Share
* Thumbnail view (Image, video and APK)

Differences between the free version:
* Themes
* Show hidden files