"I like the bike, but I want to be More"
"The more the military, but I do not know about the fighters and tanks"
Do not try this app your knowledge?
(Car [domestic and international], bikes, tanks, fighter, battleship,) I can challenge the various issues related to each genre in this app.
Because you might want to tweet or rank score (class), you can also publish and competition to everyone my grades.
If you are confident in the knowledge, if you are interested, please try it by all means the person you are trying to memorize now!