Long-press the file and select Properties > Permissions. Set to:
Octal: 644. If permissions are wrong, ePSXe will silently ignore the plugin. download libopenglpluginso epsxe android hot
If it doesn't exist, create a new folder inside the epsxe folder named exactly:
plugins Long-press the file and select Properties > Permissions
Using a file manager like Solid Explorer or CX File Explorer: Octal: 644