Fireplayer: Crazy Frog
From The Crazy Frog Wiki
Fireplayer: Axel F. Crazy Frog is an official Symbian software that was available for purchase on the Jamba website. The official description promises:
"Mobile Software: Mix your own Axel F. Crazy Frog ringtone with your mobile phone. Fireplayer is a unique music application that enables users to remix, record and save their favourite music using their mobile phone - create your own personalized 'ringtunes' with Axel F. Crazy Frog."