I made it almost exactly 8 minutes into that demo video, and just couldn't take any more . . .
There are cheap practice Amps with built-in FX, Aux Inputs for your iPhone, iPad, what-have-you, pretty much all the features this thing is supposed to offer, but without all the hassle with 3rd party Apps. No, they don't hang off of the ass end of your Guitar, but they work . . .
A lot of current pedalboard-style MFX also have Aux Inputs, and USB Audio Outs.
Edit afterthought: Some of those super-cheap plastic Marshall or Fender battery-operated Amps also had a belt clip, so if you just wanted a simple, portable Amp rig . . .Battery-operated Marshall w/belt clip