Android Keyboard Shortcuts

Basic shortcuts
Spacebar: Page down in web page/document view.
Shift+Spacebar: Page up in web page/document view.
Alt+Spacebar: Insert a special character.
Shift+Del: Delete the character to the right of the cursor.
Alt+Del: Delete an entire line.
Press Shift twice: Activate caps-lock; press again its exit.
Alt+Trackball+Left: Move cursor to head of line.
Alt+Trackball+Right: Move cursor to end of line.
Alt+Trackball+Up: Move cursor to top of page.
Alt+Trackball+Down: Move cursor to end of page.
Shift+Trackball+Left: Cutting the highlight text.
Shift+Trackball+Right: Copying the highlight text.
Menu+X: Cut all text on screen.
Menu+C: Copy all text to clipboard.
Menu+V: Paste text from clipboard.
Menu+A: Select all text.
 Browser shortcuts
Menu+I: Zoom in.
Menu+O: Zoom out.
Menu+J: Go back a page.
Menu+K: Go forward a page.
Menu+R: Refresh page.
Menu+F: Find something on page.
Menu+B: Open bookmarks.
Menu+S: Open sharing menu.
Menu+H: View browsing history.
Menu+S: Open browser settings.
Gmail shortcuts
F: Forward message.
R: Reply message.
A: Reply all messages.
Y: Archive message
Menu+U:  Refresh Inbox.
Menu+C:  Compose new email.
Enter: Open the current an email.
Alt+Trackball+Up: Jump to top of inbox.
Alt+Trackball+Down: Jump to end of inbox.
Apps shortcuts
Search+B: Open brower.
Search+C: Open contacts.
Search+E: Open email.
Search+G: Open Gmail.
Search+I: Open calendar.
Search+M: Open maps.
Search+P: Open music.
Search+S: Open text message.
Search+Y: Open YouTube.
You can also customize the keyboard shortcuts for applications: Just go into "Applications" off the main system settings menu, then select "Quick Launch." From there, you can change any of the above app-controlling hotkeys and add in your own.