Buy Apple's $2,000 folding iPhone this Friday and a lot of your apps will open as a little phone app floating in black bars. Apple already picked the month that stops. Any app that wants to keep shipping updates is getting dragged onto that big screen, like it or not. Samsung has been selling folding phones since 2019, and owners still complain about this exact thing. The reason is kind of dumb. Samsung makes the phone, but Google controls the app store, so all Samsung could ever do was ask…