The screen flickers like it’s trying to sleep. The little circle spins around and around on the top right corner. I tap the buttons, hoping one will make it stop or maybe even let me play. But none do. The spinning circle keeps going and going until finally, a happy face appears with two thumbs up. It says “Saved!” in big letters. I press the A button to go back to playing. The level is hard, but now at least my work isn’t lost if the power goes out or the battery runs down.