.ASEC File Extension
File TypeAndroid Secure Application File
This file is saved in a binary format, which requires a specific program to read its contents.
What is an ASEC file?
File introduced with Froyo, the version 2.2 release of the Android mobile operating system; stores mobile application data using proprietary encryption; saved to the .android_secure folder of a device's SD card; can be run with the Android SDK emulator.
The secure ASEC format allows applications to exist on mobile devices without being modified or corrupted by other programs.