Android Ussd Code

I want Small Code or Form Which Runs Android Phone USSD Code ,then Inters Automatically Security Code Which saved. When sending Mobile Money in My country Mostly we Use GSM , So you have type *712(Code)*618000000(Telephone Number You sending money to)*10(Amount You are Sending) # Which is *712*618000000*10# then you have to enter Pin security Code: so i want to do this Automatically.