The Android equivalent to the Linux tools md5sum and sha1sum. Simply select your file and generate your MD5 and SHA1 checksum. Prevents corrupted installations by allowing you to verify your downloads. Very useful when flashing custom ROMs or boot images.
'Verify against clipboard' menu item. This is available in the checksum screen and searches the SHA1 and MD5 results against your clipboard contents.
'Copy to clipboard' by double tapping the MD5 or SHA1 results.