How to create this type of game finding differences between two photoes

anonymous_user_9e2fd5e9
Mon, 11 Mar 2019 05:15:08 +0000
Blueprint

I want create this type of UI i show you in below image.

1. find different by user clicked and round mark at this location if different are true.

2. also zoom in and out with round marks.

[references link click here][1]

**if any one have an idea please suggest me **

5 posts - 1 participant