Here you find an Introduction about the basics of Asylum Procedure and other useful information provided by Federal Ministry for Migration and Refugees (Bundesamt für Migration und Flüchtlinge (BAMF) in German (PDF Download).
When you could not be accepted as refugee and you might soon be deported you may find useful information about church asylum here! It might be your last chance to stay in Germany.
Here you can find useful information about what you have to do to get a permission to work in Germany in English, French, Arabic, German and Serbo-Croatic.