Other probably necessary stuff is on the https://zdoom.org/downloads page. I do not know which ones may be relevant, unfortunately.
I am aware that Chocolate Doom is available on VitaDB, but that port is not a limit-removing one, which severely limits the selection of WADs one could run.
Explanation of 'limit-removing' in the context of Doom https://doomwiki.org/wiki/Limit_removing
Thank You for reading
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