Hello @CreativeNorthMedia,
You can vote for being able to create a team via the app on this feedback request thread:
https://forum.asana.com/t/adding-a-team-via-ios/121119?u=andrea_mayer
Now to create a project and add it to a team via the iOS Asana applying can do so when going to „home“ then bottom right click on „New Project“
And yes you are correct for the mobile version a bunch of features are not available.
I recommend looking through some feedback requests threads here in the forum such as
Also have a look out at the product launches. Just recently this update was released
https://forum.asana.com/t/ability-to-see-dependencies-on-mobile/35134/31?u=andrea_mayer