Hippo washing is an Android app developed by Hippo Kids Games (Paphos Cyprus). Others apps created by Hippo Kids Games are: Wedding party, Hippo Baby Care, Supermarket: Shopping Games for Kids, Emergency Hospital: Kids Doctor, Masha and the Bear: Good Night!.

Hippo washing first became available on 11 Apr 2016. It is estimated that Hippo washing has been downloaded between 500000 and 1000000 times from the Play Store.

Hippo washing 1.1.5 requires the following permissions:

Allows applications to access information about networks.

Allows applications to open network sockets.

Allows an application to receive the ACTION_BOOT_COMPLETED that is broadcast after the system finishes booting. If you don't request this permission, you will not receive the broadcast at that time. Though holding this permission does not have any security implications, it can have a negative impact on the user experience by increasing the amount of time it takes the system to start and allowing applications to have themselves running without the user being aware of them. As such, you must explicitly declare your use of this facility to make that visible to the user.

Allows access to the vibrator.

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