Works by patching ``javax.crypto.Cipher::doFinal(byte[])`` to return
the input without encryption/decryption.
+It needs to be `installed as system application`__ to prevent
+Final Fantasy III from crashing.
+
__ https://repo.xposed.info/module/de.robv.android.xposed.installer
__ http://cweiske.de/ouya-store-api-docs.htm
+__ http://cweiske.de/tagebuch/ouya-final-fantasy3.htm#howto
+
+
+Development hints
+=================
+- Version number can be changed in ``xposed-ouya-plain-purchases/build.gradle``