This is an application normally for geeks or developers, who can use it to 1) analyse the existing packages on Android. 2) share apk file with dropbox, bluetooth, email, evernote... 3) export apk file to the sdcard of you android phone.
I cant use this app to analyze popular apps like facebook, twitter, instagram.. Very useful for android developers And I can share Apk file with dropbox!!!! 6 stars!!!!
Very convenient to analyze apks! bravo!