Custom URLs
You can use these custom urls to open the apps on your iOS device, for example from a tutorial.
Musk Keys: MuskKeys://arg
Musk Player: MuskPlayer://arg
iOS Apps that allow to open such custom URLs:
* Safari.
* Notes.
* Mail.
* Keynote.
Some apps event prevent you from creating custom URLs:
* iBooks Author (except when embedded in an HTML widget).
* Google Sites.