How to obtain glyphs from the "Apple Symbols" font in Lion?
Snow Leopard's CharacterPalette.app still works on 10.7:



Those "iOS symbols" shown in the screenshot above are glyph variants that are specific to Apple Symbols. For example the turned arrow icon is a variant of Ꮿ. There doesn't seem to be any way to show them in 10.7's Character Viewer.

You could also use Font Book to save a PDF file for all characters in a font: