I'm not sure what the point of this is. Does it replace a trackpad or mouse? If it's just a launcher, I don't see how it saves me much work over simply launching apps the normal way on my Mac. I have a hotkey for Spotlight. I type the first two letters of the app and hit return, and the app launches. That seems quicker than what I can accomplish with Alfred.
As far as iTunes control goes, I have iTunes Match and can access all my media on my iPhone anyway. So controlling iTunes on my Mac would be redundant.
Alfred 2 lets you run AppleScripts on your Mac by simply typing a couple words. This app would let you trigger those AppleScripts remotely at the push of a button. I have been looking for an app that does exactly this for a couple months and was just about to settle on Otto's Remote, but was frustrated by its iCloud requirements.
Now, I can start music for my kids on the Mac in their room when they go to bed and turn it off whenever I want from my phone by just opening the app and tapping the appropriate button.
That is exactly what I thought.
This is just an unnecessary /limited remote desktop that if you want normal functionality of a remote desktop application , then you will have to pay more!
Remote Desktop is great if you're trying to accomplish one-off tasks that you likely will never repeat. But if you're going to be doing something fairly regularly (like rebooting a service on your home media server that is unstable or launching a Minecraft server you don't want to leave running all the time), this will make it much faster.