Checker for MHL (HDMI) is a tool to check MHL (HDMI) capability of this mobile. Before you decide to buy a MHL cable/adapter, you can verify your mobile first! The App is very very easy to use, please mail yjy837@gmail. Com if any question! There is a known MHL mobiles list. Htc. Amaze 4G. Butterfly. Butterfly S. Droid DNA. Evo 3d. Evo 4g lte. EVO View 4G. Flyer. Htc m8.