Not functional… $1.99 for a “free” app that uses “free” 7zip code?

Not functional… $1.99 for a “free” app that uses “free” 7zip code?
Does not expand, does not compress… Just shows the files (if you can make it).

Requests an in-app purchase of $1.99 to unlock “expand feature”. But, a compression app has NO OTHER FEATURES.

emresumengen about 7Zip 压缩包浏览器