That Lenovo tablet with HDMI input is official, and it's a monster media machine
Top Tablets with HDMI Output and Input
Amazon.com: Mini HDMI to HDMI Cable 6FT,Anbear High Speed HDMI to Mini HDMI Cable 4K×2K Compatible with DSLR Camera,Laptop, Camcorder, Tablet and Graphics Video Card Supports Ethernet 3D (6 Feet) : Electronics
Amazon.com: Mini HDMI to HDMI Adapter,Anbear Mini HDMI to HDMI Cable 4K×2K for DSLR Camera,Laptop, Camcorder, Tablet and Graphics Video Card : Electronics
How to Transform Your Android Tablet into an Old-school Gaming Console - Android Authority
Micro USB to HDMI Adapter Convertor Connector for Android Phone & Tablet TV - Walmart.com
Jumper EZpad Pro 8 Windows 10 Tablet 11.6inch 12+128GB Quad Core WiFi Micro HDMI | eBay
Amazon.com: Plugable Active DisplayPort to HDMI Adapter - Connect Any DisplayPort-Enabled PC or Tablet to an HDMI Enabled Monitor, TV or Projector for Ultra-HD Video Streaming (HDMI 2.0 up to 4K 3840x2160 @
1080P HDMI Cable for Android Phone Tablet TV Support 192KHz Digital Audio / 60Hz HD Video Micro USB Male to HDMI Female Adapter - Walmart.com
Lenovo USB Type C HUB to HDMI RJ45 card reader Lan Multi USB 3.0 PD Adapter USB C HUB For computer tablet PC Dock Splitter|USB Hubs| - AliExpress
Amazon.com : Tablet 8 Inch Android 11 1080p Full HD Touchscreen Tablets 2.4G/ 5G WiFi 32GB HDMI, GPS, Type C, OTG (Silver) : Electronics
best tablet with hdmi output 2022 - YouTube
Amazon.com: SlimPort Adapter for LG G Pad 8.3 Tablet, MyDP/Micro-USB to HDMI Adapter Connects Any MyDP Enabled Mobile Device and Play Content to Any HDTV or HDMI Enabled Device, Black : Electronics
Amazon.com: ALLDOCUBE iWORK20 2-in-1 Laptop, Tablet PC with Keyboard (and Stylus Pen), 10.1" Windows Tablet, Intel N4020 CPU, 4GB RAM/128GB ROM, Windows 10, Type-C, Support HDMI, Convertible Laptop : Electronics
CHUWI Hi8 Pro Windows 10 + Android Tablet PC (8 Inch 1920x1200 Display, USB Type-C, Mini HDMI, OTG, Bluetooth) [TAHC-94154]- US$109.75 - PlusBuyer.com
Micro USB to HDMI Cable Adapter, MHL to HDMI 1080P Video Graphic Converter with Video Audio Output for Samsung Galaxy S5 S4 S3 Note 3 Note 2 Note 8 Phones & Tablets