How to upgrade Android 2.3 to Android 3.1 for Samsung Galaxy Y duos?

i have samsung galaxy s duos which i bought nearly 8 month before at that time this was the best selling smartphone by samsung. I want to know that in Android 2.3 still i cannot play some of the best games by android, So i want to upgrade it to Android 3.1 to make some of the best games in my device download as soon as possible. So, could anyone tell me that how to make this upgrade if possible.

As far as I know , 3.1 HoneyComb was targeted towards Tablets and Galaxy Y Duos is 3.2 inch small phone, its better on Android 2.3 also because it has low RAM, if you want you may find 4.1 ROM for this as I think Android 4.1 can run on 256 MB ram also.