As you probably know, Phone Gap is a free and open source framework that allows you to create mobile apps using standardized web APIs for the platforms you care about.
Said that, a new challenge is coming for developers and you can win a Windows Phone and Surface Pro devices!
Just take your existing PhoneGap (Apache Cordova) application published in any store and port it to Windows Phone 8.
Expand your opportunities by reaching the fast-growing number of Windows Phone 8 users.
Just go here and discover how you can win these wonderful devices.
And if you want to know more about PhoneGap, here you can watch a 5-minute tutorial on Channel 9 and visit the official page of PhoneGap as well.
Happy coding :)