Placebo App on Smartphones

In Mashable:   The placebo effect has been known for a long time.  Is there a way to use interaction with a smartphone to produce a similar effect?  And can that effect be more readily tailored with a smartphone?  All interesting questions.  " ... Here's how it works: You begin the experience by choosing which lifestyle aspect you'd like to change — say, quitting smoking or decreasing stress — before scheduling an alarm-like reminder to "take it" each day. Then, you can personalize it further by choosing exactly what you'll be taking (it doesn't need to be a picture of a pill). The whole idea is to create a comfortable "happy place" to achieve the proper effect. With the right mindset, the group says, the act of routinely pressing buttons and watching your smartphone's screen will be equivalent to physically swallowing a sugar pill. ... "