Entertainment and tech stars Gwyneth Paltrow, Gary Vaynerchuk and will.i.am have joined Planet of the Apps, a new unscripted series co-produced by Propagate and Apple. The series delves into the world of apps and their developers, and a casting call is currently underway. The three will serve as mentors and advisors to the app developers selected for the series. Paltrow and will.i.am will also executive produce the project.