I can only give black box details atm. I need a very basic app programmed to communicate with a program in C# (This is already existing). I think this would possibly need windows server. I have a budget of $400 under would be preferable.
24 freelancers are bidding on average $421 for this job
So, you need a basic android app to communicate with a C# app, which already exists. I'm an experienced developer proficient in C#, Java and many other languages and frameworks. Pick me, you won't be disappointed.