In the Android app (version 1.0.0), one can't view files that contain both ( and [ in their path.
For example, the following paths are affected:
([.png
[(.png
(/[.png ([.png inside a directory named ()
[/(.png ((.png inside a directory named [)
While the following paths are not affected:
(.png
[.png
(/test.png (test.png inside a directory named ()
[/test.png (test.png inside a directory named [)