Android/Trojan.HiddenAds.BiRa is Malwarebytes’ detection name for a trojan for the Android platform that poses as a game and requests device administrator rights during install.
Consequently it will display annoying lock screen advetisements that take up the whole screen.
Malwarebytes detects this applications as Android/Trojan.HiddenAds.BiRa.
It is advisable to let Malwarebytes for Android, which detects this as Android/Trojan.HiddenAds.BiRa, remove the app. If you do it manually you will have to remove the device administrator rights.