From Ringtone City:
Mobile Phone MP3 Encoder & Play List Maker Pro is aimed to provide a convenient way to convert MP3 files to the supported format of MP3 playback supported handsets that solves the following problem: MP3 files have been already sent to the handset, but cannot be played. MP3 file contains Non-English information, but cannot be displayed in your handset while playing. Your handset does not provide MP3 Play List function. This software is designed for all handsets that support MP3 playback function.