Cutom rom xperia sola ??? topic

Hi guys , finally i decided to root my phone and flash it , but i still have a lot of questions, --- What is the best rom on xperia sola that gives you a high speed and gibes you the ability to download anything from the play store???? ---so can anybody help me with giving me a step by step instructions to root and flash my phone with a mod , ---is there a recovery thar bring my phone back to the stock gb version with same old setting ? Thank you very much PS:I really need in the customized firmware to be fast enought for gaming with no lag

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