Building a simple time passing game app.

Game of stunning/catching the worm that is disturbing / destroying the phone screen. The worm will appear after a burrow starts to appear across the screen, then the worm will "pop out" of the burrow. Only then you can use a "weapon" of sort to hit the worm and stun it so you can drag it out of the burrow and put it in a bucket to earn points.
The worm will appear in waves. After the first worm is caught, two more will appear in different screens of the phone until all the app icons are eaten by the worm, in which case the game will be over.
The default weapon will be "fingers" sort of speaking, so when the worm is out of the burrow, you can flick it and create damage. Enough damage done to a single worm will stun it and then you can drag it out of the burrow.
Points will eventually be accumulated after a few games to unlock more weapons to stun the worm faster.

I've hashed out the ideas but could use a skilled freelancer to help me code and complete the project. I wish to release the app on both android and apple depending on the budget.

I will need designs too. Open budget/deadline

Previous developer wasn't able to complete the project, also found some technical difficulties.

Would like to discuss the project with freelancers, maybe we can improve/change the idea