Android Application Identifier for Packers, Protectors, Obfuscators and Oddities - PEiD for Android

Verify your In-App Purchase receipts & protect your Apps from hacking, patching used by Piracy Apps like Lucky Patcher.

An android app for extra privacy. It will protect selected apps by adding a lock screen above them until correct password is entered. (Not complete, In active development process. PRs are welcomed)

Chiki加固 Protection Framework for internal Android applications. Not public and not open source.

Verify your In-App Purchase receipts & protect your Apps from hacking, patching used by Piracy Apps like Lucky Patcher.