Menu, set a menu item on top so that it will appear in the display

Need Help With My Project
1 
Arduino MEGA 2560 with Ethernet Shield
Samsung S8
Blynk server
Blynk Library version 2.27.10
  • even when I start the app i want to see the first item of the menu item list
  • when I choose an item of the menu item list it will appear on the display
  • when I close the app and later on start the app the last menu item which I choose appears and I want select the menu item which should appear when I start the app.