First thing I think you should do is visiting the website of the german embassy in your country. Probably there is some general information about education.
Further, working in Germany is prohibited if you are not an EU citizen, and I think there are no exceptions, maybe you could try some international scholarship,
And last but not least, learning the language, some faculties have an english curriculum the first year, long enough to learn the language I hope
Here are some links to help you starting link1 link2