document updated 11 years ago, on Sep 2, 2011
Builtin hotkeys — Configurable ones
By default, Android has the ability to start apps based on Search+A, Search+B, Search+C, etc.
Go to Settings > Applications > Quick Launch to configure these.
Builtin hotkeys — Others
There are lots of non-configurable ones too.
In addition, all entries that appear when you press the Menu key have their own shortcut. This works in EVERY application. After pressing the menu key and opening the menu, long-hold the menu key. The Menu+Letter combos will briefly appear.
Things that are like AutoHotkey/AutoIt. Things that provide extra functionality to existing buttons.
New ways of launching things
Things like Launchy.
Status bar launchers
Things that are like the Quick Launch part of the Windows taskbar.
Things that are like Alt-Tab: