Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to create an iphone app demo [title] Make up your mind about the scenario you want to demo. [step] One of the best selling scenario is showing your potential users how your app solves one of their problems. [title] Take screenshots of this scenario, screen by screen.

Ending1: [step] Use the camera your app is installing to take screenshots. You can even make the camera a " tile vision " of the app. Ending2: [step] Using photoshop, images are transferred from one screen to another, displaying their scripts and colors in one display. [title] Have a customized screenshot in the app settings window. Ending3: [step] If there is a problem or a way to fix it, that's great. If it's something you can fix, then you're done. Ending4: [step] When you are on a screen that you want to capture, press and hold the home button and then press the power/sleep button. Your screenshots will then appear in your photo gallery on your iphone/ipad.

Answer format: ending1/ending2/ending3/ending4