Before you submit your filter to SparkAR to be published in Instagram, make sure to follow this rules:

This rules where take from the oficial website at:

https://sparkar.facebook.com/ar-studio/learn/documentation/publishing-your-effect/making-sure-your-Instagram-effect-is-approved/

Take also some time to read the best practice documentation at:

https://sparkar.facebook.com/ar-studio/learn/documentation/design/best-practices/

After all this documents keep in mind this rules:

Frame rates make sure FPS is higher than 24fps on Iphone7 or 20fps in android on Nexus 5, if you don't know how to check the frame rate read this:

https://sparkar.facebook.com/ar-studio/learn/documentation/tutorials/ar-studio-player

The file size needs to be bellow 4MB.

If it's taking too long to be approved use this website has a tool:

https://effectreviewtimes.com/

This website effectreviewtimes.com uses content creators data to predict the average days to be approve.