Some installation text hereInstalling Closet Tools How to install and update Closet Tools. Overview Closet Tools automatically pops up on specific and relevant pages on Poshmark.com while you navigate the site. It’s based on web technology. It’s not a native app (like an iPhone app, or Android app). It is used with your web browser (Chrome, or Firefox), and can be used on both desktop and mobile devices. To get started installing the app on your computer, use these instructions. Installing on your phone To get started installing the app on your mobile device, use these instructions.