I leave a few:
Magicsee N5:
remote.conf: https://drive.google.com/file/d/10ZPnGG0RpdADQ3o3AvY9Y3O_Jbq4P121/view
HK1:
Meson-IR: HK1 Meson-IR.zip (426 Bytes)
Remote.conf: remote.conf (1.8 KB)
X96 AIR
Remote.conf: https://discourse.coreelec.org/uploads/short-url/sn5O2SzVesFeqdo7xBJcWVOfEWp.conf
Meson-IR: https://discourse.coreelec.org/uploads/short-url/z375YRv1G2EWDfFVH3fSjl1KEZL.zip
Source: [S905X3] X96Air_P2/P3 4/32GB 1Gbit Lan (How to config)