The Oi Oi Radio Android App does not collect any user data during use. In order to provide audio control during Phone App use, the App will monitor the 'state' of the phone App (Idle, in call, call ended) if applicable on your device. At no point will the App be able to listen in or derive phone numbers or data.
The Android App also requires access to local storage. This is to store it's configuration for faster launch times.