If you are looking for a free application which makes possible to access your PC/Mac computer remotely through your Android tablet, then give a try to Splashtop 2 HD which is although a paid app but right now available as a free download for a limited time period.
Splashtop 2 HD Features
- Secure, fast remote access over Internet (see note)
- 3G/4G connectivity improvement (see note)
- Pinch/zoom support
- Fully new designed user experience
- Optimized remote performance
Just visit Google Play to download Splashtop 2 HD for Android tablets.