Hotkeys

ESC                     switch console/editor
ALT+~                   show console
ALT+1/F1                show code editor
ALT+2/F2                show sprite editor
ALT+3/F3                show map editor
ALT+4/F4                show sfx editor
ALT+5/F5                show music editor
CTRL+PGUP/PGDOWN        switch to previous/next editor mode (0.70.0)
F11/ALT+ENTER           fullscreen/window mode
CTRL+R/ENTER            run current project
CTRL+X/C/V              cut/copy/paste in the editors
CTRL+S                  save cart
ARROWS                  navigate in sprite editor, move map in map editor, navigate music tracker
[]                      choose previous/next palette color in the sprite editor
SHIFT                   show spritesheet in map editor
CTRL+Z/Y                undo/redo changes
CTRL+F                  find in code editor
CTRL+G                  go to line in code editor
CTRL+O                  show code outline
F6                      toggle CRT filter
F7                      assign cover image
F8                      take a screenshot
F9                      start/stop GIF video recording
SHIFT+ENTER             play pattern from cursor position in the music editor

With some 3rd party software it's also possible to use these same keys on Android.