To give you a sense of the era:
A "VXP game" is a video game packaged inside that .vxp file. These were typically low-resolution, 2D titles with simple controls, but for millions of users, they were the first experience of mobile gaming. what is vxp games
Are you looking to play old VXP games? Check retro gaming forums like XDA Developers or r/BREW on Reddit. Otherwise, search for "J2ME games" (JAR files), which are far easier to emulate on modern Android devices. To give you a sense of the era:
First, let's strip away the technical jargon. 2D titles with simple controls