Android File Verifier is a simple and free app that is quite powerful for the purposes it serves. Created by XDA member scary alien, the app offers the following verification services:
This app is intended for more advanced users who need to verify the integrity of a file such as a backup directory or an .apk file. However, the app is simple enough to be used by anyone who is interested.
It works for any Android 1.5 or higher device and has been tested on a few devices already. The discussion thread has a bunch of information and even a brief tutorial on how to use the app. To download it or check it out, search for “AFV” on the market or check out the discussion thread._________