Harvey.Kwok

Rated 3.78(96) — Harvey.Kwok

This is a famous brain science testing for the coordination between left and right brain. Now it becomes a game for trainning that can improve the coordination ability of your brains. Just play it as practice, when you can get higher score stably, it...

Rated 4.00(521) — Harvey.Kwok

This little tool help for convert units of mm, cm, in and ft. These units are common on daily, It is very easy to use.

Rated 3.70(20) — Harvey.Kwok

This is a little tool of lucky draw, the star is the harder one to get it! You may write a list that which number for what prize, and the biggest must the star!