If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Lost in flowers is a standard Match 3 game where the player tries to get the both lost lover nearby. In order to do this, he must swap the lover with regular match 3 items. On valid match the lover will come near or go away to its partner. One must try to get them near only. There will be a power, where you can force the swap. This will be indicated after each 10 successful matches. The early you get them near, you will get more points.