This game is not a DS or gameboy or XBOX or any of them games.
it is a round small thing, 3 buttons at the bottom, and a blank screen when you first buy it. (the black tamagotchi and things round the edge is just a sticker thing).
I just bring my tamagotchi to school, and play on it at playtimes - i hide it and make sure no1 can see it so i can play on it secretly lol. But sometimes, the headteacher lets you play with tamagotchis at playtimes.