Primo is an Android app developed by Tsukuba Engineers Lab.

Primo first became available on 28 Dec 2013. It is estimated that Primo has been downloaded between 50000 and 100000 times from the Play Store.

Primo 1.0 requires the following permissions:

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 an application to write to external storage.