Initial priority and single application instance features. Custom application icon with multiple resolutions and color depths. Doesn't extract the jar from the executable. Supports executable jars and dynamic classpath resolution using environment variables and wildcards.
Also creates launchers for jars and class files without wrapping. Features Launch4j wraps jars in Windows native executables and allows to run them like a regular Windows program. Cross-platform Java executable wrapper Launch4j is a cross-platform tool for wrapping Java applications distributed as jars in lightweight Windows native executables. If you'll provide these, I'll be able to create a binary package available for download. Running Launch4j on other Java enabled platforms is a matter of getting a binary version of MinGW binutils 2.