How to solve the problem of invalid multi-touch

[caicoder]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
If applicable, add screenshots to help explain your problem.

Unity (please complete the following information):

• OS: [e.g. iOS]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Version [e.g. 22]

Additional context
Add any other context about the problem here.

[timbotimbo]

Can't really help you if you don't give any info.

The only multitouch issue I know of is this #850, which is a Flutter issue that we can't fix in the plugin.