A free app for Android, by Trevor Sinkala.

The Bible Crossword App is a game that will test your knowledge of the Bible. With over 1000 questions gathered from favorite and inspirational verses, historical accounts, Biblical characters (patriarchs, prophets, kings, judges, widows, prominent historical figures, heroes of faith, mighty men and women of valor, people with moral flaws, etc), the Gospels, the work of the Spirit, Jesus Christ, prophetic books, the reality and remedy for sin, grace and salvation, resurrection of the dead, Christian living, God’s love, etc you will surely enjoy and be blessed.

The Crossword App is also a Mustard seed. It’s small in size (1MB) but comes with hundreds of questions in the database.