Rendering everything red isn't a simple filter. It requires forcing the GPU to bypass shader caches. Unofficial red mods often lack optimization. Users report:

Instead of risking your account with a modded file, you can achieve a similar competitive advantage using the game's Custom HUD and Graphics settings. This is a legitimate "feature" within the game that improves visibility without banning you.

How to optimize for visibility (The "Legal Red" Method):

The keyword specifies "Android No Top" (likely a typo for No Root). Why is this mentioned? Because older cheats required rooting your phone (jailbreaking) to inject code.

The Reality: Visual mods today rarely need root. They only need to replace files in the Android/obb folder. This makes it easier for casual players to cheat, but also easier for Garena to detect because the file structure is standard.

Based on your search for a useful feature regarding an "archivo para pegar todo rojo en Free Fire" (file to make everything red/hitmarkers in Free Fire) for Android, it is important to clarify what these files actually do and the risks involved.

Since you specified "no top" (implying you don't want the typical mainstream or potentially dangerous "top" results), here is a breakdown of the technical reality, a safer alternative, and the associated risks.