Do you wish something that would replace only the cigarette but keep the smoking habit?

This app wants to challenge the way of quitting smoking by replacing the real cigarette with a simulated one, which takes the same amount of time as a real one to "smoke". You can keep a track of how many real cigarettes you replaced with a simulated one, and won't have to give up those smoke breaks.
Want to quit smoking and you tried all the existing methods you have heard of? Quitting cold turkey didn't help me either, because after 2 or 3 days, I was back to buying a new pack of cigarettes and smoking half of it in one day, because I felt that I deserved to.