Smart zoom in and out screen

This is new gallery for Smart Zoom In & Out, with only one finger.
The image in the video is captured from webpage which demonstrates zoom in and out.

This is free gallery for Android.
Please download Smart Zoom & Out Application from the Android market.

Download App. : https://play.google.com/store/apps/details?id=com.gt.cooliris.mediaEng&fe....

[ Explanation in detail ]

Traditional Way
: Pinch-in Pinch-out by two fingers
New Proposal
: Zoom in and out only by one finger
Advantages
Zoom In & Out by one hand
Zoom In & Out only by touch pen
When or for whom ? do you need ?
For the people who are disabled in one hand
When you use touch pen while wearing gloves
When you have to use only one hand
ex.) When you hold a baggage in one hand
When you hold a strap in a bus or metro.

Zoom in and out 1
To zoom in, drag from center to the edge
To zoom out, drag from the edge to the center

Zoom in and out 2 ( Same result by Pinch-in Pinch-out )
After first touch on specific point, then drag from the status of 2nd touch within a certain time.
To zoom in, drag the opposite direction from the 1st touch, to zoom out, drag to the same direction from the 1st touch.

Zoom in 3
After 1st touch, then touch 2 times in a row to the point diagonally, need to be expanded