Awesome Iphone

Transforms your iPhone 4 or 4S into a fully-functional guitar trainer with real strings and a light-up fretboard to help guide your fingertips. Has several difficulty levels and a free play mode.

A case for the iPhone 4/4S that’s also a 4G WiMax hotspot for the iPhone plus 8 additional devices. The first 512MB is free; pay $10 per additional 1GB. Also has a built-in iPhone charger.

Une Bobine (“a coil”) is a flexible yet stiff charging cable for the iPhone and iPod Touch. Its “metal gooseneck” material allows the cable to act as a stand and be fixed into a variety of positions.

The enormous AeroPad Two dock for iOS devices has the specs to match its eye-catching figure. It has four 30W speakers plus one 80W subwoofer, as well as a 3.5mm auxiliary and USB inputs.

You will have an even tougher time putting down that game of Draw Something with Ozaki’s iCoat Finger Case. It features a built-in nook that keeps a stylus conveniently on hand.

Sled makes easy to install handmade leather and wood replacements for the glass back of the iPhone 4/4S. You can stamp up to 6 characters or even send custom graphics to be stamped onto yours.

David Lindecrantz created this cool retro-style app which takes your iOS device back to the 80s, complete with classic Macintosh and Game Boy B&W dithering algorithms. Sample images here.

Combining an iPhone case with a billfold and credit card storage, Landmarks & Lions’ elegant wallet is made from sturdy calfskin leather. A cotton canvas lining protects your phone from scratches.

From Josh Guyot – co-founder of Joby – comes Galileo, a 360º pan-and-tilt stand for iOS devices that can be controlled via another iOS device. An adapter for GoPro cameras is also in the works.

Never worry about forgetting your charger with this ingenious iPhone 4/4S case with a built-in 110VAC charger with a retractable plug. We’re hoping for international versions in future.

Last year, Mark Rober taught us how to use two iPads to make a cool Halloween costume. This time, he shows us how to capture awesome gorilla footage with an iPhone and a cheap mirror.

Uses Bluetooth to add a D-Pad and physical buttons to your iPhone or iPod Touch – this handy gadget works in both landscape and portrait modes, and works with more than 100 games. Coming soon.

ADR Studio builds on their iWatch concept, making it larger and thinner and adding a front-facing camera. It seems that Apple is working on something far less portable though.

Zahra Tashakorinia & Derek Tarnow took a page out of the iPad 2 Smart Cover with their TidyTilt concept. Use it to store earphones, as a kickstand or simply as a protective backing for the iPhone.

The iPhone 4S virtual assistant Siri sure is smart. Maybe too smart for it’s our own good. To be fair, that dude who crashed his car deserved it. GPS is nice and all, but we still have to use our eyes.

The Curly Cable is a charge and sync cable for Apple’s portable devices. Invented by Dev Design, the cable is coiled like a telephone cord, making it tangle-proof and stretchable up to 70″.