2
Experimentally, I discovered that you can use:
- Simple Line Breaks are ignored; Double Line Breaks open a new paragraph;
- Simple Line Breaks can be forced to finish the line with two spaces (similar to Markdown).
- A limited set of HTML tags (optionally nested), especially:
<b>...</b>
for Bold,<i>...</i>
for italic,<u>...</u>
underlining,<br />
to force a simple line break
- A URL formatted as
http://google.com
appears as a hyperlink. (Be careful when trying to use an HTML tag<a>
with customized description because this nay works and breaks the formatting) - Special HTML characters are supported, such as
→
(→),™
(™) and®
(®); see this reference W3 for the full list. - Encoded characters in UTF-8 are supported, such as, €, £, ġ, ', and.
- Identation is not strictly possible, but using a marker and a space seems reasonable (
• 
is "• "). - Emoji are supported.
Special notes relating to google play apps:
- Some HTML tags only work in the application:
<blockquote>...</blockquote>
to create a paragraph of the text,<small>...</small>
for a text is slightly smaller,<sup>...</sup>
and<sub>...</sub>
for super- and subscripts.<font color="#000000">...</font>
to set the font color in HEX encoding.
- Some symbols do not appear correctly, such as.
- All above formatting also appears correctly in "What’s New".
Special notes on the Google Play website:
- Some HTML tags work only on the website:
<s>...</s>
for raked.
- Plain text appears in "What’s New" ( and HTML formatting will be shown as plain text);
Taken from link