I thought this might be useful for people installing apps: http://maketecheasier.com/install-ap...ket/2011/01/28
2. Installing app using Dropbox
Dropbox is really a versatile app and is a waste if we don’t fully utilize it. The method is simple. In your computer, download the apk file to your Dropbox folder. Let it finish syncing. In your phone, open the Dropbox app, navigate to the folder where you keep the apk file, click on it. Dropbox will then download the apk file. The usual installation follows.