A free program for Android, by Litera Games.

Do you want to play an amazing puzzle game while enhancing your vocabulary using your mobile device? Then challenge yourself while learning more about English words with this application. This is an English Crossword puzzle game for Android. 

The gameplay is very simple all you have to do is to fill the white squares with letters, forming words or phrases, by solving clues that lead to the answers. In words that are written left to right, the answer words and phrases are placed in a grid from left to right and from top to bottom. The best thing about this application is you can play it anytime and anywhere with an internet connection.