Sharp is the first TV manufacturer that launched 4k television running on Android TV. The size range is from 60-inch set to 80-inch sets and will be available in retails store.

The Android TV sets range price from US$ 2,099.99 up to US$ 6,299.99 (approx. RM 7,899 to RM 23,999)

There are always an alternative to have 4k Android TV by getting normal 4k SmartTV and connect to a 4k Android Media Box.

Source; TheVerge