

Choose from 45 complete shell themes, then use Tweak it below to change their colours and lettering. Your choices stay on this device and travel in a full Nest backup.
The egg writes the prompts and filenames for you. You bring those prompts to your favourite AI, then carry the finished pictures home.
idle, approve the character, then give the AI one recipe step at a time so every later picture matches.idle is required. The recommended base adds blink and four moods; ground companions especially benefit from a walk animation.manifest.json, and lines.json in one folder and zip it.Nothing has to be perfect. Missing poses fall back gracefully, and you can keep adding art after they hatch.
Answer a few short questions and the egg writes a complete recipe — every prompt your AI needs to paint your companion into being.
A small companion lives behind the glass. The three buttons moulded into the shell are how you care for them.
Your companion follows the real clock and never punishes you for being away. Use More → back up everything before changing devices.