THERRDS NO GAME HERE GO AWAY NO WAY! THERES NO INSTRUCTIONS! Wait, yes there is... To activate "Blue Sphere," press A, B, and C!
This is only a title screen, sorry for letting your hopes down "What's Blue Sphere?" I here you ask. You can learn more about it and the "No way!" screen in this website http://info.sonicretro.org/Blue_Sphere