If you have Amazon Fire TV Stick, please know not only you can use it to watch TV or online video, but also you can wirelessly display your mobile device screen on TV screen. This function is similar with Google Chromecast or Microsoft Wireless Display Adapter.
How to Wirelessly Display Mobile Screen on TV Using Amazon Fire TV Stick ?
1: Turn on the Fire TV Stick on your TV or other bigger monitor;
2: Click Settings > Display & Sounds;
3: Click Enable Display Mirroring;
5: From your mobile device, such as an Android phone, to use its display cast function, or called screen mirror function, or called Multiple Screens function, to mirror phone screen to the target TV screen.
The following is an example which is from a Huawei Mate phone, we use the Multi-Screen function from Settings, we see the target Fire TV screen name, then click the name to mirror the phone screen to TV screen.
We can now play videos or anything else on the phone but watch from TV.
If you want to buy Amazon Fire TV stick, please go to Amazon official website.