Lost In Russia (China, 2020)

Lost in Russia - or as the Chinese title calls it "Embarrassing Mother" - sees Zheng Xu in the role of Ivan, as we follow him on his train journey from Beijing to Moscow to watch his mother perform on the big stage.

This funny comedy film can be found streaming for free now via the app shown in the video.
Links: https://www.ixigua.com/jiongma/?from_details=1 
Search for: 囧妈

Chinese title: 囧妈 (Embarrassing Mother)
Genre: Comedy

Director: Zheng Xu
Starring: Zheng Xu, Huang Meiying, Yuan Quan (The Captain)
Cameos: Huang Bo (Leap, Gone With The Light), Shen Teng (Pegasus)