I’d guess phone, anything else is too compute-constrained and just an accessory for them, plus has to pay 30% of subscriptions and can be disadvantaged strategically.

Likely a device where the largest share of interaction pattern is through voice conversations and chats with the system to get it to do things for you: messages, email, etc.

It would have to run Android, and try to provide compatibility for existing apps in order for this to be a successful device.

My money is on drone with missile pods.

Maybe handcuffs, hee hee

An egg

the only ai device that makes any sense is a robot