UPDATE: WINTER SKI & RIDE app recently released for Nokia Collection is the mega-super-star of ski apps for Windows Phone
Check out WINTER SKI & RIDE! The best app not only for Windows Phone, it easily beats Android and iPhone apps!
Microsoft Windows Phone blog about WINTER
The ski season in the North America is still waiting for the real snowfall, but despite the snow conditions many companies and developers decided to build apps for the new cool kid on the mountain, the Windows Phone. Skiers and snowboarders out there love gadgets, and having a Windows Phone immediately attracts attention on the chairlifts across America. “I’ve heard Microsoft and Nokia did an awesome job at CES this year!” – a rider with awesome polarized goggles tells me on the Glacier Express lift over magnificent Blackcomb mountain (he probably means Nokia Lumia CES award). “Yeah, I like those tile things” – another ski dude almost makes my 
Windows Phone drop 100 ft into an unknown bowl covered with snow boulders left by avalanches. I manage to save my precious Windows Phone with a gorgeous 4.3” super AMOLED screen from a disaster, and our conversation continues in peace.