Since the release of the iPhone 4S jailbreak I’ve been playing around with over 200 tweaks and I think this is the coolest one yet, not useful but coolest, I’ll be posting what I think the most useful is later on but I personally think this is the coolest.
So the tweak is called NyanSliders and can be downloaded from Cydia from the BigBoss repo for free. It changes all the sliders, like the volume and duration ones to the Nyan Cat.
You can configure settings like motion and rainbow from the native settings app on your iPhone, iPod touch or iPad.
Here’s a picture of me using it in the Music app:
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