It appears that you overlooked several important elements outlined in the guidelines.
Your examples for innovation should clearly showcase the innovative aspects of your work. Please refer to my post on innovation for more information: What could be the evidence as an employee in an AI start-up for OC1
I am not sure how you plan on appealing this decision though it costs nothing but waiting time. You should focus on strengthening your case by finding evidence that aligns with Tech Nation criteria and submitting a new application.