You also need to be careful pasting text from other applications into RW. When you do that, you are pasting a lot of hidden formatting code. A lot of devices will not display that hidden formatting correctly. You will want to paste text as “plain text” with the “Paste as Pain Text” item under the Edit menu. You would then do your font selection and sizing in RW. You can also select already pasted text and use the “Clear Formatting” command under the Format menu.
A telltale sign of pasting hidden formatting text is that the built-in font size adjustments don’t work.