How can i make my sony ericsson vivaz from symbian to android?

I have bought my Sony Ericsson Vivaz from Cosmote 3 months ago and i wish i have bought the HTC Wildfire...it's totally the worst phone i've ever had....i only has an amazing camera...The only thing that i want is to make it android...is there a way to make it android 2.1 or symbian^3?I like very much that phone and i don't want to sell it to buy another one!!plz help