Reply to finger play midi

Hi guys, firstly can i say ive had a look on the search and couldnt find anything specific to what i need, ive just moved house and found my old android phone, an orange sanfransisco/ zte blade, i thought i may be able to use it as a touch pad for que points, ive downloaded fingerplay midi, which has 2 multi touch x/y pads and 15 touchable buttons, so itll do for now,

my question is: how do i tether it to my laptop using wifi and do i have to flash the rom on the phone, to use it with tp2

im looking for a real idiots quide here if anyone can help