code: @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  	public void setFontFeatureSettings (String fontFeatureSettings){
  		if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
  			mInputView.setFontFeatureSettings(fontFeatureSettings);
  	}
docs: Sets font feature settings.  The format is the same as the CSS
  font-feature-settings attribute:
  http://dev.w3.org/csswg/css-fonts/#propdef-font-feature-settings
  
  @param fontFeatureSettings font feature settings represented as CSS compatible string
  @see #getFontFeatureSettings()
  @see android.graphics.Paint#getFontFeatureSettings
  
  @attr ref android.R.styleable#TextView_fontFeatureSettings