Default [Q] Translating an app

Sorry if this is in the wrong place, I just didn't know where to put this.

I'm trying to translate this a game called 道具屋の冒険. (look it up on google and it's the first result)

I've opened the apk with AndroidLocalizer but all it displays is "Test", no text. The game has a strings.xml but it's very small and doesn't contain much of anything. Can someone help me with this?