This is the latest version I found that runs around the world. However, when I tried Redbox TV APK v9.1, it only showed ads and wouldn’t let me access any TV shows or content.
According to my tests, this version seems to be non-functional. While you may have different results, I wouldn’t recommend using Redbox TV APK v9.1.
Instead, I recommend using the original Redbox TV app v2.4, which is known to work in most countries.