This was written on an iPhone so please cut me some slack
Requirements:
Jail broken iPhone/iPod or $2.99
Internet connection
Step 1)
Search CloudBrowse on Installous and download it
Alternatively, buy it for $2.99 on the app store.
Step 2)
Start it, and go to w63.runescape.com (or any world)
Step 3)
Click accept on the Java applet thing.
Step 4)
Wait till it says "Auto Setup", and restart the page.
Extra Steps)
Getting an IAP Cracker to run Clodbrowse past 24 hours.
Search for iAP cracker in Cydia, download any of the one shown.
Once installed, enable it on the SBS Toolbar or in Settings
And voila! Your iPhone/iPod is now setup!