This is your resource to discuss support topics with your peers, and learn from each other.
I think you will find all the major apps in BB world. Can you specify the app that you are missing, so people can help you on the forum.
In the next 2 months we estimate BB10 shall have all apps that BBOS 7 has and many more.
Sure, also you can message the developers, if you really need the app. Also do like if you found helpful.