A one-minute game to train your concentration and focus.Estimate 5 times 5 seconds and improve your best score.Simple but addictive.Share it with your friends and challenge them!Your feedback is welcome![详情]
A one-minute game to train your concentration and focus.Estimate 5 times 5 seconds and improve your best score.Simple but addictive.Share it with your friends and challenge them!Your feedback is welcome![详情]
