This is an interesting start how would you integrate the tag line into the design? What about some different colors of the same look and combining different colors in the triangle - how would this look on the iPhone icon?
on #the background is too dark and you cannot read the text as it's too small so please remove that. play around with the "swirl" on top of the three color triangle and make the background more subtle so it does not overpower the foreground element - i see the background as a "carrier" for the logo on the phone top icon only and not part of the logo