This is Raspberry PI under-power warning - it means that your power supply is not delivering 5V. Try a supply with a higher power rating. See here for recommendations: https://www.raspberrypi.org/help/faqs/#power
When the replay is supposed to show nothing appears on screen and the score counters don't go back to their original position
This is most likely because you don't have enoguh RAM assigned to your GPU. We recommend at least 192MB. Use raspi-config to change it.
This is most likely because you don't have enoguh RAM assigned to your GPU. We recommend at least 192MB. Use raspi-config to change it.