HippoRemote will work great with the YRadio

HippoRemote turns your iPhone or iPod Touch into a wireless keyboard, trackpad & remote control, with customized controls for a whole slew of programs (Boxee, XBMC, Windows Media Center, iTunes, and all your favorite web browsers to name a few).

http://hipporemote.com/

Mini RF Wireless Touch Keyboard HTPC Remote Control MCE

This touch screen remote can be used to operate the YRadio directly without using the keys:

http://cgi.ebay.com/Mini-RF-Wireless-Touch-Keyboard-HTPC-Remote-Control-MCE_W0QQitemZ120507769466QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item1c0ed2a27a#ht_4247wt_1236

Snatch Trackpad and Remote

Here's an excellent iPhone/iPod Touch remote control app for your PC or Mac. You can use this product to control the YRadio from your iPhone:

Snatch Trackpad and Remote

Future Laptop Design