Test Steps:

• On Linux, start Quick3d/bin/lander
• On Windows, start Quick3d\bin\lander.exe
• On devices, click on the lander icon
• Click to start
• Click and Hold mouse to accelerate, release to decelerate
• While accelerating, move mouse to change direction
• Release and wait until the space ship lands, game ends

Expected Result:

• Land and space ship displays properly
• Operations work smoothly
• Game ends when space ship hits the surface