In the mid-to-late 2000s, before the iPhone revolutionized touchscreen gaming and the Android Market (now Google Play) became a behemoth, there was a different kind of mobile gaming powerhouse: . Millions of feature phones—Nokia, Sony Ericsson, Samsung, LG, and Motorola—ran games written in Java.

A legacy developer tool used by enthusiasts to upscale and play widescreen Java games on Windows.