Canonical is organizing a contest called 'the Ubuntu App Showdown' to create an app from scratch for Ubuntu in three weeks, and delivered in the Ubuntu Software Centre.

The best apps will win some awesome prizes from System76 and Qt including a System76 Gazelle Professional laptop and Nokia N9 phone for the gold prize, a System76 Lemur Ultra laptop and Nokia N9 phone for the silver prize and a Nokia N9 phone for the bronze prize.

After the contest the community will vote on all of the apps in the Ubuntu Software Centre.

Ubuntu 12.04 LTS is almost ready for launch. Its time to welcome the unveiling with a chance to become a Ubuntu advocate and win some exciting prizes, just express your love for Ubuntu and post your recommendation for people to go for your favorite operating system, on this facebook contest page
 
There is no word limit for the recommendation of Ubuntu, you can even post your pictures, Poems, advertisements or even your anecdotes & experiances. 

Just submit your posts by 12pm (BST) on May 3^rd.