1) Activate 2) Activate the lights 3) Attractive feature 4) Become suddenly hostile to 5) Cause to operate 6) Engage 7) Flip a switch up 8) Platform game 9) Plus in the dating world 10) Put into operation 11) Sexual stimulant 12) Source of excitement 13) Switch into operation 14) Windows game 15) Windows Phone game 
something that arouses one's interest or excitement.