Add Screen Recording into Control Center: Please skip this step if you have already added. Go Settings -> Control Center -> Customize Controls, and tap the plus icon in front of Screen Recording. 2. Open your target app and choose Pics21 Stitch for broadcast: For example, open App Store, and access Control Center. LONG PRESS Screen Recording button, choose Pics21 Stitch. 3. Start to record with Pics21 Stitch: Then tap Start Broadcast and return to your target app within 3 seconds. 4. Scroll at your ease: When you see the red oval in the top left corner, start to scroll the screen. Stop scrolling with the proper position in your mind. 5. All set: Wait for 3 seconds. Tap Go to Application and check it out!