Can you please add a dark mode to g mail due to the screen is white and its the same at the top and bottom of the screen. you sent me a reply saying its available on android 10. I can't see why not you can't put it on all android versions I am using android 6 on my phone. Also please add the option to change the notification sound. And also the option to edit the text after its been sent. it can be done on other applications. So why not on this one.