A free program for Android, by Wonderful Word Games.
In the first few levels of this crossword puzzle game, it is easy to guess the hidden words. However, as the game progresses, it becomes more and more difficult to find the correct answers.
The answers to the crossword puzzles are also hidden. So, to find them, you need to connect the letters to get the whole word. Each level has a certain number of clues. You can use them to get a better idea of the answers. If you get stuck, you can use the in-game hints.