The “www 123 hp com smart app” refers to the HP Smart app, which is used for setting up and managing HP printers. You can download the HP Smart app on your mobile device (Android or iOS) or use it on Windows and macOS to print, scan, copy, manage your printer, order supplies, and access additional features such as Mobile Fax and Printables[1][2][4].

Key features of the HP Smart app include:
– Easy printer setup and management over any network connection
– Printing, scanning, and sharing files directly from your device
– Creating high-quality scans and editing images
– Ordering printer supplies and getting support within the app
– Mobile Fax for secure fax sending
– Smart Tasks for customizable shortcuts
– Free access to printable crafts, cards, and learning activities for families[1].

To get started, you typically visit 123.hp.com, which guides you to install the HP Smart app, then power on your printer and complete the setup[2]. The app is available on Google Play for Android devices[1] and also available for Windows and macOS computers[2][4].

In summary, “www 123 hp com smart app” is commonly linked to the HP Smart app that simplifies printer setup and management across multiple platforms by providing printing, scanning, support, and additional productivity features in one app[1][2].