The secret 54 "Save space on iPod touch" helped me out so much! I needed space despartly and I only had like 200 MB left, but when I converted all of my 387 songs into 128 kbps AAC files, I SAVED AN ASTONISHING 1.5 GBS!!! This app rocks!!! There are also many more amazing apps that tell you very cool secrets! BUY!!!!!!!!!!