bVNC is a secure, open source VNC client with Master password support,
Multi-factor (two-factor) SSH authentication, Multi-touch control over the
remote mouse, Scrolling with a two-finger drag, Pinch-zooming, Dynamic
resolution changes (allowing you to reconfigure your desktop while
connected), Multi-language support, SSH tunneling, and much more.
The Android Support Library is not actually a single library, but rather a collection of libraries that can roughly be divided into two groups: compatibility and component libraries. For details, please see Understanding the Android Support Library.