Multi-select problem: How does the next paragraph end?

How to create an iphone app demo
Make up your mind about the scenario you want to demo.
One of the best selling scenario is showing your potential users how your app solves one of their problems.
Take screenshots of this scenario, screen by screen.

(a). Use the camera your app is installing to take screenshots. You can even make the camera a " tile vision " of the app..
(b). Using photoshop, images are transferred from one screen to another, displaying their scripts and colors in one display. Have a customized screenshot in the app settings window..
(c). 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..
(d). 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..
(d).