This software is a PSP porting of SUN open-source JavaME implementation: phoneME. The words below is copied from phoneME’s website to describe the project:

The objective of the phoneME project is to further expand the usage of Java? Platform, Micro Edition (Java ME platform) technology in the mobile handset market. The project scope includes a focus on the mainstream feature phone segment with phoneME Feature software, and the emerging advanced phone segment with phoneME Advanced software. Our goal in making these technologies available to the Mobile & Embedded Community is to reduce implementation variation, increase the rate of innovation and enable new devices to leverage the power of the Java ME platform.

You can also refer to the original website from here:

The goal of pspME is porting phoneME to Sony PSP game console. As the first step, the authors goal is a phoneMEFeature PSP implementation, which can enable user to run JavaME application on CLDC.


– Enable browse and select JAR from local file system, don’t have to input the full path name of JAR file now.
– A little optimization of RMS speed.
– Separate MIDI config and instrument files from binary bundle to decrease the size, and make you not have to download them for every release.

NOTE: Please download from midi-res package, and you don’t have to download it again for future releases.