Help! Phone controlled button activation

So I have a 4channel relay rf controlled. Not arduino ,And i want to take the remote control of the relay and activate the buttons using arduino uno. But with my phone. I know to use some kind of bluetooth shield, please advise me which one would be good for my project. New with arduino so any guidance is a help! Thank you.

Maybe have a look at this RemoteXY Thread.

And i want to take the remote control of the relay and activate the buttons using arduino uno

Please explain this more clearly

...R