v1.3.1 is a release file of the Minecraft mod BetterFps, made for Minecraft 1.9.4. It was published on May 20, 2016 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the BetterFps mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
