Really sorry you had such a bad experience first of all. I totally agree with this review but the mistake here is on Google's side as they marked our app as malware by some mistake in their automatic system.

After making a quick research about the topic I find out this is a real pain for a lot of app developers as Google just started to marking all script tags as malware and customers of course belief Google and angry with us, leaving one-star reviews.

You can see some discussions around this topic in the links below.
https://community.shopify.com/c/Shopify-Apps/Malware-in-scripttag-of-App/m-p/738117/highlight/false#M23168
https://support.google.com/google-ads/thread/37647995?hl=en&dark=0

We are working on the way to find the solution to this problem.