I bought the Strongs Hebrew / Greek NASB and it is helpful to see the dictionary definition for every word in the Bible.

+simple to learn and play +love online matches +have gotten far without having to pay -sometimes tank and gun turret do not move as quickly as I want, but I think that is just playing on the iPad -needs more maps...or potentially add different wars besides WWII

You should definitely download the free version. This is the same type of game as that gun defense game in the arcade (can't remember the name right now). Controls work well.

Initially, it semed what I wanted: an uncomplicated flash card app that only takes me 1 minute to get started with. I was disappointed when I realized it only does the quizzing in Portrait mode, which makes typing harder. Will rate this app 4 stars (maybe 5) when I can type in Landscape mode.