Good news everyone! Blockfest and Speedfest have been ported to Windows Phone.
http://www.windowsphone.com/en-US/store/publishers?publisherId=Arctica+Software
Symbian page:
http://store.ovi.com/publisher/Arctica/
http://www.windowsphone.com/en-US/store/publishers?publisherId=Arctica+Software
Symbian page:
http://store.ovi.com/publisher/Arctica/