As of now:

[√] Without Watermark
[√] Get User Feed
[√] Get User Detail
[√] Get User Following
[√] Get User Followers
[√] Get Music Feed Videos
[√] Get Music Detail
[√] Get Region Code
[√] Get Trending Videos By Region
[√] Get Video Comments
[√] Get Reply By Comment Id
[√] Get User Liked
[√] Search Video By Keywords
[√] Search Challenge(hashTag)
[√] Get Challenge(hashTag) Detail
[√] Get Challenge(hashTag) Feed
[×] Get Trending Challenge By Region