Thanks for posting in the Slingbox Answers Forum! I'm sorry to hear you are having trouble setting up your Slingbox via Android Tablet/Phone.
Unfortunately, the Slingbox can only be setup on a Computer running Mac OSX or a PC with Windows Vista or Windows 7, or Windows 8. It also has to be done on a computer that is connected to the same network as the Slingbox. The web browser on mobile devices do not support the SlingPlayer plugin, which is what you need in order to run the setup assistant.
Once you do have a computer to setup, below is a link to where you need to go to do so:
Have a great day!
The Sling Moderation Team