Thumbnails for dos

I have a handheld with android 7 and I installed and setup retroarch question I have is for my dos games I got them in a playlist but how to I manually add thumbnails for them?

The thumbnails folder needs to be named DOS. In that folder, you have the three usual subfolders: (Named_Boxarts, Named_Snaps and Named_Titles.)

So it works exactly the same as thumbnails for any other system.

Ok I did all that maybe I named the files wrong because they are not showing up

The names must match the name of the game in the playlist, not the filename. And they must be in PNG format. JPG or anything else won’t work.

For example here, I have Turrican 2.conf in my DOS.lpl playlist and it has this entry:

"path": "/mnt/Data/emu/roms/dos/Turrican2/Turrican 2.conf",
"label": "Turrican II: The Final Fight",
"core_path": "/home/realnc/.config/retroarch/cores/dosbox_core_libretro.so",
"core_name": "DOS (DOSBox-core)",
"crc32": "00000000|crc",
"db_name": "DOS.lpl"

The thumbnails for it are:

thumbnails/DOS/Named_Titles/Turrican II_ The Final Fight.png
thumbnails/DOS/Named_Boxarts/Turrican II_ The Final Fight.png
thumbnails/DOS/Named_Snaps/Turrican II_ The Final Fight.png

Note how the : character needs to be rewritten as an underscore (_) because on some systems (like Windows) filenames can’t have a :. There’s other reserved characters as well, and those will also need to be written as underscores:

< (less than)
> (greater than)
: (colon)
" (double quote)
/ (forward slash)
\ (backslash)
| (vertical bar or pipe)
? (question mark)
* (asterisk)
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Got it thanks for the time

Now if I could just get retroarch to see my external drive on shield tv