Speedy Ninja is an Android app developed by NetEase Games (Unit 802, of 8th Floor of Chuang's Tower, 30-32 Connaught Road, Central, Hong Kong). Others apps created by NetEase Games are: Rules of Survival, Onmyoji Arena, Identity V, Knives Out, Onmyoji.

It is estimated that Speedy Ninja has been downloaded between 1000000 and 5000000 times from the Play Store.

Speedy Ninja 1.2.20 requires the following permissions:

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

Allows applications to change network connectivity state.

Allows access to the list of accounts in the Accounts Service.

Allows applications to open network sockets.

Allows an application to read from external storage.

Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.

Allows access to the vibrator.

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

Allows an application to write to external storage.