Baby+shaker+ipa+download+app+exclusive ((free))

Despite Apple’s rigorous vetting process, the app slipped through and was sold for $0.99. Apple apologizes for Baby Shaker app - Los Angeles Times

In the technical section, explain how IPA files work, the installation process without App Store. Maybe the app uses motion sensors (like the "shaker" feature) in creative ways, which isn't possible or is more restricted on App Store apps. But need to balance that with the limitations of sideloading. baby+shaker+ipa+download+app+exclusive