never done the revers teathering before,, so i have no idea about your situation,,but i geuss, phone ekata hariyata net eka share welaaa nethiwa ethi..or,,slow ethi,,,ehemath neththan play store eka oya widihe teathering ekakata support karanne nedda dannne neee...
uba gaawa lapak wagee thiyenawanan ,, "connectify " kiyala software ekak thiyenawa...anna eeken puluwan wifi teathering karanda ,,,ehema karala nan man internet use karala thiyenawa.....
BTW,,,,ubata answer ekk hambunee neththan,,,"XDA" ekee thread ekk daala balapan....(make sure to search the forum b4 u post a thread)