Am avut galaxy gio cu ceva timp in urma si aveam instalat un program ''android booster'' care elibera memorie si inchidea aplicatiile care ruleaza in background.
http://www.youtube.com/watch?v=V3_vY_2oXo4
Vezi aici :
http://gallery.mobile9.com/c/samsung-s5660-galaxy-gio-softwares_3412/1/
Nu stiu daca te ajuta.