Download torrent in android

Download Zarchiver from here extract it and install it. (Password is 'immortals')
Download bit torrent pro from here extract it and install it. (Password is 'immortals')
Open the browser(preferred chrome) and search for torrent website (Some popular websites are "kickass" "extratorrent" "piratebay" "torrentz")
Tap on the file you want to download.
Tap on the magnet icon.
Bit torrent will automatically launch and download will start.

💡💡💡Tips and Tricks💡💡💡

Set upload limit to 1kbps and download limit to the max in the BitTorrent setting to increase your downloading speed.
You can continue your download even if you move the half downloaded file to other phones.
Always check seed and peer of the torrent file. More the no. of seed more will be downloading speed
Never remove BitTorrent from the minimized list if you want to continue the download.
Never clear data from the phone app setting. This will delete your downloaded file.