After a piece is downloaded, the client checks it against a digital signature to ensure the data isn't corrupted or malicious.
Popular options include uTorrent for Android and Webbie .
Your client downloads different pieces from multiple peers at the same time, which significantly increases download speed.
While pieces are usually downloaded in random order based on availability, some clients like Flud allow "sequential downloading" so you can start watching a video while the rest of the pieces finish. Recommended Tools for "Download de Torrent" If you are looking for specific apps or platforms: