Adding 3rd party mods to mobile app.

Im looking for adding some 3rd party mods to the mobile app. 

Specifically

Business Listings

Coupons

both my modzzz.

Possibly some others, also by modzzz!

Anyone can offer with this, I will be looking to do this in the near future, not just yet.

I would prefer to see some work thats already been done on mobile app before committing any money to developer, had a couple of quotes before from people for this, but they had nothing to show that they had any experience working with the mobile app!