R15 Animation GUI scripts are tools used in Roblox exploiting to play custom, often Filtering Enabled (FE) animations that are visible to other players. These scripts typically feature a graphical interface (GUI) with buttons to trigger various emotes, dances, and movement glitches. Core Features of Animation GUIs Most popular animation hubs for R15 include:

In modern Roblox, "Filtering Enabled" prevents most client-side changes from reaching other players. However, animations are an exception because the server trusts the client to handle its own character's movements to ensure smooth gameplay. Developer Forum | Roblox FE Faker R15 Script - ROBLOX EXPLOITING

This is Roblox's security system. For a script to be "FE," it must bypass standard client-server restrictions so that your local animations are seen by others.

Here's a simple example of a LocalScript that plays an animation when a TextButton is clicked: