HTC Video Chat Enhance add Face Tracking and Screen Share to your commonly used video chat apps. Video Chat Controls currently works with Hangouts, Line, ooVoo, Skype, Tango and WeChat..
- Face Tracking makes sure your face always stays in the frame during video calls, even if you move around.
- Screen Share lets you show something on your screen to friends, family or coworkers during a video call.
- Drawing lets you annotate the screens you share during video calls. Use it to mark the important parts of what you’re sharing or underline facts and figures in a document that you’re discussing.

From version HTC Video Chat Enhance 1.20.813778:

- Drawing for Screen Share

(Android 4.4+)
Latest: 1.10.489410 on December 15, 2014
All versions