> a German speaking country

> a Franc

I take it you're in Switzerland ;)

Are there a lot of other foreigners where you are? That can make language learning difficult.

Also, there is a whole website called All Japanese All The Time[0] (AJATT) for learning Japanese via an SRS, although they use Anki rather than Mnemosyne.

0: http://www.alljapaneseallthetime.com/