++How to play++
You can clear this game when you touched the center of coordinate which means (0,0).
You can try any number of times within 30 seconds.
The position you touched will be shown on the left top, so you can adjust where to touch.
The "Challenge Mode" is a mode in which you challenge how many consecutive times you can clear.
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++Tips for a good score++
The Screen size is 320 width x 640 height.
This is very difficult, so keep concentrated.
Dont watch the center, instead, keep watching the top left where the position you touched is shown.