No standard menu button in 3.0+, how do I get access to it?

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http://androidforums.com – Howdy all, bit of a problem. I made my app compatible with both pre and post 3.0. Before 3.0 most phones had menu buttons which led to settings or other menu options. Since 3.0+ the dev guide has depreciated the menu button so phones don't need it. ICS and JB don't use them. So how do I let users access it? In Gingerbread a user can press the menu button and then select the "Settings" link. Everyone knows what I mean but I feel I need to explain it: here's the dev guide anyway. So if one of my users is on a 3.0+ device how can I let them get access to the settings page? I (General)