http://www.arekibo.com. The pressure may be on to develop a mobile application for your clients. A great idea but there are pitfalls. Martin Casey, MD of, market leaders, Arekebo explains the process to help increase your chance of success.
http://www.clipgurus.ie
A good short discussion of why a business would want to develop mobile apps. This is purely a consideration of the business case; it doesn't consider anything technical.