Material Files, open source Material Design file manager, for Android 5.0+:

Material Files, open source Material Design file manager, for Android 5.0+:
* https://github.com/zhanghai/MaterialFiles
* https://f-droid.org/packages/me.zhanghai.android.files/
* https://play.google.com/store/apps/details?id=me.zhanghai.android.files