Go to http://yapp.us from your computer's or tablet's browser and follow the below steps to create and publish a Yapp.
On a phone? Currently, you can't create an app from your mobile phone.
1. Hit the Orange "Get Started" button and sign up for an account
2. Edit the look and feel of your app
Set up your cover page, then select your style from the bar at the top of your screen.
3. Add pages to your app
We start you off with a few pages, but you can always add more by hitting "add page" at the bottom of your page list on the left
4. Add content:
Add information, a schedule of events, photos, Twitter handles, and more to the app by filling out the pages and adding your own.
You can navigate through the app by clicking on the pages in the left-side panel or by clicking on a page in the tab bar.
5. Preview or Publish:
When you are happy with your Yapp, click the orange Preview or Publish button on the bottom left of the Editor. This will not share the app with anyone.
6. Invite yourself or the world: