NINTENDO PROVIDED CASE-GAMEPAD
Nintendo Company patent a smartphone with a Game Boy design, a dashboard for all buttons on the buttons.
This case transformed into a gamepad, it works without wires but with Bluetooth. Case closes in two sides, filled up for the screen. Bottom are rosetted physical buttons, supposedly pushing on the touchscreen, in conjunction with the virtual keys.
In case over open for a dynamic, microphone, USB and mini-jack. The patent was filed now on 16 March of 2018 Rock, and the company of the official of the emulator, who re-saw the classic Game Boy for smartphone. Until company did not declare, for such smart phone models, there will be a cap.