"...application that allows you to connect with friends and loved ones." ...who know what to do next after they click the 'download' button and are forwarded t

"...application that allows you to connect with friends and loved ones." ...who know what to do next after they click the 'download' button and are forwarded to a GitHub page. I'd like to give the app a try, but I look at that page and I don't know where to start.