[Bug report] Several Issues from Testing

Hi, for accessibility reasons we would like to request proper reader support for icons and buttons.
1. Our tester found that the system reader only reads the icons and buttons in English (accessibility mode).
2. Keyboard navigation: When navigating through the document scanner with a keyboard, it is not possible to focus on the Icons of the TopBar.
3. Landscape mode: Not available → Several issues have already been reported to you.
4. Poor support for Display Size and Font size adjustments

### ENVIRONMENT ###
- Phone make and model: Xiaomi Poco F6 Pro
- OS version: 15
- Google Play services version (only Android): carrierservices.android_20240520_00_RC00.phone
- ML Kit APIs and versions: 16.0.0

### EXPECTED ###
1. Reading Everthing in all Android possible Languages
2. Capable of complete navigation through the complete Scanner with keyboard
3. Landscape is available
4. Size adjustments need to be completely applied.