Don’t Order from MR Delivery/Bad service

Stupid app , stupid service, I ordered something and it was not what I wanted , I called them to explain and was told because I ordered it I have to eat it , I paid R140 for two large meals and the burgers were very small but it doesn’t specify on the app , I asked if they could exchange it they refused , I have been sent back and forth from burger king and Mr Delivery .. NEVER EVER in My life will will I ever use this STUPID Mr Delivery and I Hope the whole of South Africa can see this