Tennenouji is an Android app developed by WoGa (愛知県).

Tennenouji first became available on 28 Jul 2014. It is estimated that Tennenouji has been downloaded between 50000 and 100000 times from the Play Store.

Tennenouji 2.1.6 requires the following permissions:

Allows applications to disable the keyguard if it is not secure.

Allows applications to open network sockets.

Allows an app to create windows using the type TYPE_SYSTEM_ALERT, shown on top of all other apps. Very few apps should use this permission; these windows are intended for system-level interaction with the user.

Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.

Allows an application to write to external storage.