Internet (and Usenet) old-timer Peter da Silva 1) seeking a featureful file manager for Android due to 2) malware inclusion of his current choice.
The problems of Android are another element of this. Despite a huge promise, Android consistently over-hypes and under-delivers on hardware, OS, security, privacy, and most especially, an overtly user-hostile application ecosystem.
Google need to think long and hard what they want Android to be, and how to make it that.