MHL Checker application can help you check any device that has support MHL (HDMI) connection quickly by one click before you decide to buy an MHL cable. Notice result box will appear result after check MHL (HDMI) connection here.
#Features
✓Check MHL (HDMI) compatible with your device?

MHL Checker: info

And give you a Device Info is a simple and powerful Android application that gives you complete information about your mobile device with advanced user interfaces. Device Info includes information about CPU, RAM, OS, Sensors, Storage, Battery, SIM, Bluetooth, Installed Apps, System Apps, Display, Camera, etc.

MHL Checker does not allow you to do that testing. It will not change your device.

enjoy it ♥