Hi There,
A team of Expert Game Developers here, have understood your requirements, have already worked in all domains which you mentioned, would love to work for you!
A1- I've more than 2 years of game development experience.
A2- Yes, I do have a designer in our team and can do small graphical changes easily.
A3- No, we don't have a sound creator but can search and modify royalty free sounds if needed.
A4- Yes, we do have experience in Mobile Ads. Right now the best plugins are Unity Ads, tapdapp, hazeapp and Consoli Ads.
Expert Team in Game Development with 2 years of Professional Game Development experience.
Please come in chat so that we can discuss this. I will share my portfolio in chat.
Eager to start work with you.