How to Transform Your Android Tablet into an Old-school Gaming Console - Android Authority
Amazon.com: 13.3 Inch 4K Upgrade Android 10.0 Multifunction Car TV Headrest Monitor Tablet Touch Screen Support 1080P Headset WiFi/Bluetooth/USB/SD/HDMI in+Out/FM/Mirror Link Video Player (2G ram 16G ROM (1PC)) : Electronics
Lenovo 13" Android Tablet with HDMI input announced- Pricey for primarily DeX-use, but I wish more products had this : r/SamsungDex