"Wow. You've built in an extremely short time an application for which our developers would need several days or even weeks. Impressive!"
"The app you've built for us does only 2 things... it works as expected and it's incredibly fun to work with it!"
"You've build an awesome SAP UI5 app, which is unique in our company."
"When you look at the code for the first time, you assume that this has been developed by an experienced programmer. But automatically generated code? No, really?"
"I've used the new app for a while and I like it very much!"