NokoPrint is a free, easy-to-use app that lets you print directly from your Android device to your printer, regardless of what brand it is. It supports most Android devices including tablets, smartphones, and even some models of Android-powered computing devices (such as the Google Pixel and Nexus 7). 

With this app, you can print photos and even have multiple images in one sheet. You can also print various types of files, such as PDFs, Word Documents, Excel, and even websites or HTML pages.

It supports most printers, including HP Officejet, HP LaserJet, HP Photosmart, HP Deskjet, Canon PIXMA, Canon LBP, Canon MF, Canon MP, Canon MX, Canon MG, Canon SELPHY, Epson Artisan, Epson WorkForce, Epson Stylus, Brother MFC, Brother DCP, Brother HL, Brother MW, Brother PJ, Samsung ML, Samsung SCX, Samsung CLP, Xerox Phaser, Xerox WorkCentre, Xerox DocuPrint, Dell, Konica Minolta, Kyocera, Lexmark, Ricoh, Sharp, Toshiba, OKI, and many more.