The touch screen had a fairly low sensor resolution along with no backlight, so it lacked precision and made it hard to see the on-screen controls.

The game remained largely identical to the original, with the addition of on-screen controls for smartphones.

First, I signed up for both and installed the camera software, which comes on a CD and offers special features like on-screen controls that let you zoom in, pan and tilt.

At this point, the user may use on-screen controls or keyboard shortcuts in order to control the sled.

The camera software has been overhauled with face detection, video capture capabilities, scene modes, and better on-screen controls.

Simple yet efficient on-screen controls enable users to customise to their needs.

ViewSonic's screen lacks buttons for screen brightness and volume; you must change these settings using on-screen controls.

In iOS, you don't manipulate an on-screen control to scroll, you simply grab the whole screen with your finger and move it.

Released in December 2008, the TouchSmart tx2 was touted as the first consumer notebook and tablet PC with on-screen multi-touch control.