Best Torrent Downloader app having all the features that you want.
TorrentWiz is the one of the best torrent app in play store that allows you to download torrents on your mobile device
**Feature List**
✔ SD Card Support
✔ Sequential Download (For Streaming)
✔ Set File Priority
✔ DHT , LSD , uTP , UPnP , NET-PMP support
✔ Encryption
✔ Proxy
✔ IP Filter
✔ Open torrent files from app
✔ Magnet Torrent Download
✔ Torrent file download
✔ Select Specific file to download
✔ Add Trackers
✔ Move files after torrent finishes downloading
✔ Move files during downloading
✔ Sort torrents list
✔ Change speed limit of specific / All torrents
✔ Force Recheck , Force Announce
✔ Piece Map of torrent