A free program for Android, by Hippo Kids Games.

This is an interesting logic game for kids.

Hippo grandpa is a brave adventurer but he got into a severe storm in the sea. With that said, the only light he has was from the lighthouse, which could help him escape dangerous cliffs and get to the seashore. But the way out is not so easy, and grandpa is in danger of falling into the sea. And now it’s time to go through all the hidden objects to find the key and solve the puzzle and go through the secret passage to get to the next level.