diff --git a/screenshot/command.png b/screenshot/command.png
new file mode 100644
index 0000000..7dc1690
Binary files /dev/null and b/screenshot/command.png differ
diff --git a/screenshot/login.png b/screenshot/login.png
new file mode 100644
index 0000000..f30bd35
Binary files /dev/null and b/screenshot/login.png differ
diff --git a/screenshot/screen_text.png b/screenshot/screen_text.png
new file mode 100644
index 0000000..346d7d1
Binary files /dev/null and b/screenshot/screen_text.png differ
diff --git a/screenshot/timer.png b/screenshot/timer.png
new file mode 100644
index 0000000..d2272b9
Binary files /dev/null and b/screenshot/timer.png differ