ToraTora for Android
AES 256bit CBC File Encrypt. This ToraTora is android version.
Java Crypto API with AES and PBKDF2.
Original ToraTora is here. You can download English version. But document is all japanese.
Original ToraTora can encrypt by smartcard. And you can encrypt by smartcard without smartcard. Because you can use USB flash drives as smartcard. This is enabled by myuToken.
How to use
Please see here.
Limit file size
File size limitation is 2GB.
Even if damaged by the use of ToraTora for Android, it does not take any responsibility.