For Apple iOS
Step 1: From Homepage, Click on settings menu located at lower middle of safari browser
Step 2: Click on the option "Add To Home Screen"
Step 3: Click on "Add" Button
Step 4: AppStraps will get installed on your device homescreen
For Android
Step 1: Click on settings menu located at upper right corner of chrome browser
Step 2: Click on the option "Add To Home Screen"
Step 3: Click on "ADD" Button
Step 4: AppStraps will get installed on your device homescreen