What does multi-touch on mobile phone screen mean?

Multi-touch of touch-screen mobile phone is to support multiple fingers to operate on the screen at the same time. The commonly used operations are:

1. The most typical multi-touch machine is android, the most typical single-touch machine. When looking at pictures on the mobile phone, you can use two fingers to enlarge the pictures, or you can use two fingers to reduce the pictures

2. Browsing on web pages and some games.

For example, Angry Birds, you can zoom in and out of the interface with multi-touch, while modern wars and big games like this can use multi-touch to ... attack while controlling the direction.

3. There is also taking pictures. You can directly adjust the focal length with two fingers.