Fonts (LB Android 1.5+)

You can change the font to any of several built-in options.
If no font is set, the system default is used.

Example:

<Label TextColor="White" FontFamily="OpenSans_Condensed-ExtraBoldItalic"> 

Available font options (exact names):

OpenSans:

OpenSans-Bold 
OpenSans-BoldItalic 
OpenSans-ExtraBold 
OpenSans-ExtraBoldItalic 
OpenSans-Italic 
OpenSans-Light 
OpenSans-LightItalic 
OpenSans-Medium 
OpenSans-MediumItalic 
OpenSans-Regular 
OpenSans-SemiBold 
OpenSans-SemiBoldItalic 

OpenSans_Condensed:

OpenSans_Condensed-Bold 
OpenSans_Condensed-BoldItalic 
OpenSans_Condensed-ExtraBold 
OpenSans_Condensed-ExtraBoldItalic 
OpenSans_Condensed-Italic 
OpenSans_Condensed-Light 
OpenSans_Condensed-LightItalic 
OpenSans_Condensed-Medium 
OpenSans_Condensed-MediumItalic 
OpenSans_Condensed-Regular 
OpenSans_Condensed-SemiBold 
OpenSans_Condensed-SemiBoldItalic 

OpenSans_SemiCondensed:

OpenSans_SemiCondensed-Bold 
OpenSans_SemiCondensed-BoldItalic 
OpenSans_SemiCondensed-ExtraBold 
OpenSans_SemiCondensed-ExtraBoldItalic 
OpenSans_SemiCondensed-Italic 
OpenSans_SemiCondensed-Light 
OpenSans_SemiCondensed-LightItalic 
OpenSans_SemiCondensed-Medium 
OpenSans_SemiCondensed-MediumItalic 
OpenSans_SemiCondensed-Regular 
OpenSans_SemiCondensed-SemiBold 
OpenSans_SemiCondensed-SemiBoldItalic 

Oswald:

Oswald-Bold 
Oswald-ExtraLight 
Oswald-Light
Oswald-Medium 
Oswald-Regular 
Oswald-SemiBold 

Raleway:

Raleway-Black 
Raleway-BlackItalic 
Raleway-Bold 
Raleway-BoldItalic 
Raleway-ExtraBold 
Raleway-ExtraBoldItalic 
Raleway-ExtraLight 
Raleway-ExtraLightItalic 
Raleway-Italic 
Raleway-Light 
Raleway-LightItalic 
Raleway-Medium 
Raleway-MediumItalic 
Raleway-Regular 
Raleway-SemiBold 
Raleway-SemiBoldItalic 
Raleway-Thin 
Raleway-ThinItalic 

RedHatDisplay:

RedHatDisplay-Black 
RedHatDisplay-BlackItalic 
RedHatDisplay-Bold 
RedHatDisplay-BoldItalic 
RedHatDisplay-ExtraBold 
RedHatDisplay-ExtraBoldItalic 
RedHatDisplay-Italic 
RedHatDisplay-Light 
RedHatDisplay-LightItalic 
RedHatDisplay-Medium 
RedHatDisplay-MediumItalic 
RedHatDisplay-Regular 
RedHatDisplay-SemiBold 
RedHatDisplay-SemiBoldItalic 

RobotoSlab:

RobotoSlab-Black 
RobotoSlab-Bold 
RobotoSlab-ExtraBold 
RobotoSlab-ExtraLight 
RobotoSlab-Light 
RobotoSlab-Medium 
RobotoSlab-Regular 
RobotoSlab-SemiBold 
RobotoSlab-Thin