I found a third party app that was built with flutter and the device controls were not web, so startup and operation was much faster. You don’t need to design your own ui.
However, the sensor of the supported phone is not as many as the official app, and the layout is suitable for people who do not toss.
A Home Assistant third-party app that uses Flutter as its UI rendering. Faster startup and friendlier operation.
googleplay:https://play.google.com/store/apps/details?id=cn.yzapp.flutter.ha
github: GitHub - nesror/SmartHouse: A HomeAssistant third-party app that uses Flutter as its UI rendering. Faster startup and friendlier operation.