This is the Digital Audio Player midlet from the stock Motorola KRZR software. We are sorry for the bad quality of the screenshot:
Motorola E398

Contains the following versions:
DAP 05.00.07
DAP 05.00.08
DAP 05.00.09
DAP 05.00.10
DAP 05.00.11
DAP 05.00.15
DAP 05.00.15
DAP 05.00.26
DAP 05.00.26 RED
DAP 05.00.27
DAP 05.00.30
DAP 05.01.05
DAP 05.01.09
DAP 05.01.16
Download HERE

Motorola MTunes 1.1.0 - the same player (older version), but with great new skin.
Download HERE