Propagate has announced a casting call for Planet of the Apps, a new unscripted series about the world of apps and the developers who create them, co-produced by Propagate and Apple. Those interested in applying can visit the series website, https://planetoftheapps.com. Online applications are being accepted through Friday, August 26. And Planet of the Apps is teaming up with Product Hunt on a four-city tour in San Francisco, Los Angeles, Austin and New York.  The events will be an opportunity to meet other tech entrepreneurs and hear from the team behind the series. Dates will be released on the website shortly. Will.I.Am, Ben Silverman and Howard T. Owens serve as executive producers of the show.