Notes from building.
Design decisions, system boundaries, and things I learned by following a question.

a phone.
Giving AI an Android phone
What building Aster taught me about connecting AI agents to Android: observation, actions, device permissions, and keeping control understandable.

is the input.
Designing interactions around a laptop hinge
Design notes from UnfoldMyMac: using lid movement as input, making effects feel connected to hardware, and considering motion as system behaviour.
To Satyajit
There’s an app I wish existed.
Tell me who would use it and what they are trying to do. A rough sketch is plenty to start with.