zoom on win10 and android

1) first thing i always do when joining a meeting is go to my Windows system volume and lower the volume of the zoom meeting from 100% to 25%.  it is way too loud.

can you not make the default meeting sound the same as the system sound?  under zoom settings, when i adjust the output level of the speaker volume, it adjusts the volume for my entire PC!!!  Zoom does not remember the volume settings from previous meetings.  or at the least, add an in-app volume adjuster on the meeting window

2) on the mobile app using android phone, please make it so the video doesn't automatically rotate screen and override the phone's  "auto-rotate" setting which is turned off.

any way to fix these two?  and yes i submitted this on Zoom's feedback many times