Remember Tamagotchis? Those little egg-shaped keychains with a pixelated pet that got hungry, got sad, and, if you were a negligent eight-year-old like me, got dead during math class.

I built one. Except mine has a 368×448 AMOLED screen, an accelerometer, a speaker... and its brain runs on AWS.

Meet Cloudagotchi:

What it does

It gets hungry while the device is off : time passes in the cloud, not on the chip. EventBridge Scheduler decides when it's dinner time.