Palm allows you to adjust the font size and display renderings of your apps in Advanced Display Settings.
To access go to Settings > Display > Advanced.
From here there are settings you can adjust to adjust the font and display sizes on the device:
Font size: Tap Font size and then drag the slider to set the text size.
Display size: Tap Display size and then drag the slider to set the size of objects on the screen.
You can also separately configure font size for some apps.
For Chrome: open the app, tap Menu (top right) > Settings > Accessibility > adjust the Text Scaling slider (i.e. 130%)
For Message+: open the app, tap Menu (top left) > Customize > Font Size > adjust the slider