A. ANDROID HOME SCREEN SHORTCUT KEYS
Ctrl+Esc – Home screen context menu
Ctrl+N – Nova Launcher settings
Ctrl+M – Manage Apps in Settings
Ctrl+P – Settings, main system settings menu
Ctrl+S – Store, Google Play Store
Ctrl+W – Wallpaper manager
Alt+Spacebar – Opens Android search screen; sends to default browser
Alt+Tab (Alt+Shift+Tab) – App Switcher, hold down Alt key
Ctrl+Alt+Delete – Reboots instantly

B. GLOBAL APP SHORTCUTS ON WINDOWS KEYBOARD SUCH AS LOGITECH K400r
WindowsKEY+A – Calculator, open or switch to
WindowsKEY+B – Browser, open or switch to
WindowsKEY+C – Contacts, open or switch to
WindowsKEY+E – Email, open or switch to
WindowsKEY+L – Calendar, open or switch to
WindowsKEY+P – Music app, open or switch to
WindowsKEY+Spacebar = Opens Android search screen; sends to default browser

C. ANDROID DEFAULT BROWSER SHORTCUT KEYS

NAVIGATION
Esc – Go back, dismiss
Ctrl+Left Arrow – Back to previous page
Ctrl+Right Arrow – Forward to next page
Reload Page – Ctrl+R

SCROLLING
Spacebar, Page Down – Scroll down a frame
Shift+Spacebar, Page Up – Scroll up a frame

ARROW KEYS FOCUS ON THE PAGE ELEMENTS
Up Arrow – Move up one element
Down Arrow – Move down element
Left Arrow – Move left one element
Right Arrow – Move right one element

WHERE IS THE SUPPORT FOR THE HOME AND END KEYs? Mine don’t work!
PageDown and PageUp keys will work if available

ADDRESS BAR
Ctrl+L – Shift focus to the address bar (doesn’t always work)
Arrow keys move focus within navigation bar area; Spacebar/Enter selects

TABS
Ctrl+N – Open a new tab
Ctrl+T – Open a new tab
Ctrl+W – Close current tab,if last tab, return to Home screen
Ctrl+Tab – Switch to the next tab
Ctrl+Shift+Tab – Switch to the previous tab
Ctrl+1 through 8 – Switch to the specific tab

SEARCH/TEXT
Ctrl+F – Open the in-page search box
Shift+Backspace – Forward Delete (works like a normal “Delete” key)

BOOKMARKS & HISTORY
Ctrl+D – Bookmarks the current page
Ctrl+H – Opens the Bookmarks page
Ctrl+J – Opens download history as a popup
Ctrl+? – Browsing history (used to be H) WHAT HAPPENED TO THIS?

OTHER
Ctrl+Esc – Page context menu
Ctrl+G – Page info
Ctrl+I – Zoom in (depends upon context), three levels
Ctrl+O – Zoom out (depends upon context), three levels
Ctrl+P – Open Settings for browser
Ctrl+R – Reload page
Ctrl+S – Open Share popover with page destination options
including ES File Explorer (social networking sharing?)