You need cable OTG
OTG Disk Explorer lets you to read USB flash drives and show in tv .as well as card readers from your phone or tablets.
The home screen widget allows quick switching of video sources without needing to open the app...
Compatible with 2 and 4 input switchers;
Also allows you to toggle the power on your switcher;
1 Automatically start app on device connect!
2 Automatic mount at old laptop TV and watching Movie and Football match!
3 Mount and Unmount drive with a single click!
4 Notification when drives mounted!
5 Load modules required automatically.
6 Automatically open the mounted drive 10 Media scanner triggered on mount