You may want to specifically mention what you mean by “SVG animation”.
A typical SVG code in an image type column is playing fine on my android device. For example the code that I shared in the following 3 tips is playing fine today also on an android mobile device.
Links to tips are given below
Create Elegant Half Dial or Half Round Gauge Charts With SVG Code
Create auto scrolling carousel or slide shows functionality using SVGs ( using Gemini AI)
A few other things to check might be the android version of the device you are using and if it is still within AppSheet’s lowest versions allowed. AppSheet keeps revising version support for both android and iOS from time to time.
As for SVG anyway there is no official support announced by AppSheet as per my understanding. I believe, none of the AppSheet help articles mention SVG as an option. However @Rich_E , an AppSheet Google staff has published /commented on couple of nice tips using SVGs as below. So let us assume technically it is fine with using SVGs in AppSheet