If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Froggy Grabby is a very addictive and funny fly eating game. The concept of the game is to feed the frog as many flies as you can in each round. Otherwise the green lizard will catch the flies and brings the game to an end. Try to catch as many flies as possible to proceed to the next level.