A free app for Android, by Connect Word Games.

It is a classic crossword game, and its gameplay is simple. The goal is to create a word from the given letters. To do this, you need to place the given letters on the board. You can place them in vertical or horizontal order, and you can also use more than one letter in a word.

The game is intended for players who prefer the solo challenge of an offline computer opponent. It is designed to improve your vocabulary, and it works perfectly for this purpose.