I was looking through ifile and noticed that all the iPhone apps are also on the iPod touch (4g, running 4.2.1). As cool as this is, I know some apps, like phone.app and mobileSMS.app will not work because of hardware limitations. However, I noticed an app that's not on the iPod but could work: compass.app. Looks pretty cool, has pictures and everything. If an iPhone user could send an iPod user (such as myself) the files in compass.app, would it work? And are there any other iPhone apps that could work on the iPod?