Coupons show up on your deals stream as other nearby users add them. If you think it's a good voucher, upvote it, and it'll appear higher in others streams. Dislike a coupon? Downvote it and it'll get pushed lower.
This allows the best coupons in your local area to get pushed to the top, and the worst deals to fade out to nothing.
Add a Coupon:
Submit a deal by tapping the circular button in the bottom right.
Event the name of the deal ("50% off main meals") and the restaurant name ("Jacks Pizza Place") and any other information you know, then tap submit.
In the "Anything Else" section, include details such as "Use the code 4E3F at checkout."
Voucher specific Info:
Tap a deal in your deal stream and it'll show you more information. Tapping it's location will direct you to the restaurant in Google maps, where you view it's ratings, call and navigate to it.
Tapping the URL bar will send you to the deals/restaurants website.