I am a French developer and I have recently noticed that my software was referenced on Programosy.pl (here)
I am glad to see that my humble work has reached Poland! I have made contact with German, Czech and Arabic people to help me to translate it. It could be great if someone around here could help me too
I have made a Wiki to explain how to proceed, but it might be incomplete (read more here). But if you feel comfortable with technic, you can create bug reports or create code too.
Right now, I am working on integrating your Deezer account into Miam-Player. It's quite difficult but I have made good progress. Have a look : http://miam-player.org/images/work-in-progress/merged_databases.png
Ciao ~~