Reply to Dev: Check FAQs blah blah blah, I've already found out the solution to my issue. Took y'all long enough to come back with a response to my review. Update: All in-game items are so costly, yet the app itself isn't really stable despite the amount of money games pump in. When switching prisons, I still get purple screens and/or the disappeared 2x profit bar, both of which makes me unable to switch prisons. Workaround: Restart the app.