Sony Ericsson has chosen Moodagent as a featured App. Moodagent is a music player for iPhone and Android smartphone users that lets you select tracks and playlists based on your mood.

So if you are happy, angry, etc and want music to suit your mood then this is it. Setup your mood and Moodagent selects the "best matched" tracks for you to listen or make playlists. You can also share your mood music with friends on Facebook and Twitter.

Check out the video above and if you want to download Moodagent then head on over to Android Market.