Heres how you can install iphone theme on your rokr :

Installing iPhone.lin Theme

*Requires LinLoader installed

Installing MPKG

Download: MPKGinstaller

1. Unrar the file. You will see it consists of a folder called .system.
2. Plug in the phone, then use Windows Explorer to copy the entire old .system folder from the SD card to a safe place on your PC (so can recover if necessary). [If you can not see the .system file then you do not have “View hidden files” on].
3. Copy the entire .system folder from the rar file to replace the one on your SD card.
4. Unplug the phone from the PC and restart it. You should see a MPKG icon under Application Launcher on your phone.
5. You do NOT run this program by clicking it - rather you open files with extension *.pkg by holding the stylus on the file until a small menu displays. Select “Open With” and select MPKG.

[If you have already installed some programs on your SD card before installing MPKG then you should uninstall then before doing the above otherwise you will not be able to access them anymore (phone doesn't find them). You can reinstall them when complete]

Installing LINLOADER **MPKG must be installed**

Download: LinLoader

MPKG must be installed first as you need mpkg to install linloader.

1. Download the loader_A1200.pkg file from above
2. Copy the file to the root folder of your SD card (Make sure extension says .pkg - not .mpkg)
3. Unplug the phone from the PC then use the phone's File Manager to find the file.
4. Hold the stylus on the file until a small menu displays. Select “Open With” and choose MPKG. You should hear a bell indicating the program has loaded.
5. Turn the phone off and on and you should see a Loader icon (a yellow smiley) appearing under Application Launcher.

Download: iPhone 2.5

1) Download the theme
2) Extract to desired location ( desktop etc )
3) Drag and drop "themes" folder into memory card root
4) Unplug from computer, go into File Manager and find the iPhone.lin file
5) Tap with your stylus and hold it, in the context menu, select " Open With"
6) Select Loader ( has a smiley face icon )
7) Wait 2-3 minutes ( just to be safe, since installing theme is the easiest way to brick phone )
Cool Restart the phone( the iPhone theme shutdown screen should show up )
9) You're done
10)Run default.lin (included in this theme folder) to revert to default before running another theme