Amazing! Applegirl's Ke$ha "Tik Tok" cover using the iPad

(CBS) - Kim Yeo Hee, also known as "Applegirl" in cyberspace, amazed us about a year ago when she did a rendition of Beyonce's "Irreplaceable" using three iPhones. Yes, she played every instrument needed for the song to cover the diva's jam all using mobile devices (and the music apps they garner).

Applegirl is at it again. And this time, she's using an iPad as a piano, keyboard, bass and drum; plus, an iPhone as maracas. And if that's not enough, she also sings and plays guitar.

In the video, she demonstrates how she put all of the musical elements together - it's so neat.

If you want to skip to the actual song, it kicks in at about 1:30.

Confession: We might even like this version better than the original. (Sorry, Ke$ha!)