This app is designed for running directly on Android device. It's easy and simple for you to play Pokemon blue version, red version, green version and team rocket edition. Enjoy and recall the memory for your childhood. Features: -You don't need to prepare any Roms. Embedded Roms are prepared for you. - Simple UI and operation - Just select the game buttons. Instructions: - To select the game buttons - Button Up is for moving upwards - Button Down is for moving dowards - Button Left is for moving left - Button Right is for moving Right - Button start is for start - Button select is for select - Button A and Button B LEGAL: This product is not affiliated with, nor authorized, endorsed or licensed in any way by Nintendo Corporation, its affiliates or subsidiaries.