MiXplorer

This release does not have a Play Store Description, so we grabbed one from version 6.61.6:

MiXplorer (Mix of Explorers) is a fast, smooth, beautiful, reliable and fully-featured file manager with a simple and intuitive user interface.
This app has no ads, is and will always remain completely free.
It supports Android 2.0+ (Eclair)
I hope you enjoy it.

Features
The best way indeed is to explore yourself. But here's a brief list of essential features:
Easily themable with customization option which lets you select any color you like.
Sort, disable and enable all menu options and action buttons.
Unlimited Tabbed browsing and Dual panel in landscape mode and Drag and Drop between panels also supported.
Easily create Tasks to multitask Copy, Move, ... operations.
Different various View Modes and Sorting Options for each folder separately!
Customizable bookmarks drawer with essential file types already categorized.
Advanced search functions.
Custom USB OTG driver. FAT32 (R/W), exFat(R/W), NTFS (R).
Html viewer which supports MHT, Markdown, AXml and ....
eBook reader which supports PDF, Epub, Xps, Cbz and multipage Tiff images.
Export/Import all preferences and bookmarks and customized skins.
Extract and create 7z and Zip/Zip64 (splitted-encrypted), TAR, TAR.GZ, TAR.BZ2, GZIP, BZIP2
Extract RAR/RAR5 (splitted-encrypted), XZ, APM, CAB, ISO, ARJ, AR, LZH, LHA, CHM, MSI, WIM, Z, CPIO, RPM, DEB, NSIS, LZMA, NTFS, FAT, VHD, MBR, SWM, MSLZ, CramFS, Dmg, ELF, MachO, Mub, PE, Split, Xar, Z, Udf, HFS, SquashFS, PPMD.
All your cloud storage needs accessible from one single app. Choose from 20 providers:
Amazon CloudDrive, Mega.co.nz, Mail.ru, Dropbox, Box, Yandex, HiDrive, Baidu, Mediafire, Kuaipan, Kanbox, IDrive, Hubic, 4Sync, Google Drive, Meo, OneDrive, pCloud, SugarSync, VDisk.
+ clouds which support webdav like (Yandex.ru, OwnCloud, MyDrive.ch, DriveHQ, CloudMe, CloudSafe, ...).
Modifying zip files.
Root access for all advanced operations.
User and System app management with data backup ability for rooted devices.
EncFS volumes supported for all storages.
File encryption and decryption using Aescrypt file format.
FTP/HTTP Server built in + TCP server to receive files from other devices using MiX (Send-to option).
MP3 Tag Editor.
Built-in Image Viewer (it supports GIF animation and large images).
Built-in Media Player + VLC codecs add-on.
Powerful Text Editor.
SAMBA, FTP, SFTP, WEBDAV, BLUETOOTH supported as well.
And many more awesome features for you to explore!

If you have any ideas, suggestions or you found a bug/mistake, feel free and let me know.
Email: MiXplorer@gmail.com
Twitter: twitter.com/MiXplorer