Here is the reality check. Unlike Disney movies or major Hollywood blockbusters, Chinese fantasy films seldom get official Tamil theatrical releases.
While these platforms often carry the original Mandarin version with Tamil subtitles, the full Tamil dubbed audio appears and disappears based on licensing deals. It is wise to search for "Journey to the West Conquering the Demons Tamil Dubbed" directly in the app. Sometimes they list it under a different regional title, such as Saniyan Sammadham or simply Journey to the West (Tamil) . journey to the west conquering the demons tamil dubbed