I've wanted this feature for awhile, too. One workaround for this is to remind yourself about apps of interest by taking a screenshot (pressing top button and

I've wanted this feature for awhile, too. One workaround for this is to remind yourself about apps of interest by taking a screenshot (pressing top button and home button at the same time) and looking over your photos later when you sync with iTunes. Unfortunately, this workaround applies more to app users than app developers.