Hi,
From your job description, I understand that you need Photoshop for 4 Different type of buttons need to be designed,Different type of start button,Two details small graphics,Icons (Each icon to be designed twice i.e. for example a icon Run should have two look),Bubble Icon Design (Same as above)
I can share my previous work in the private chat box if you want to see that. Please come to chat to discuss this in detail.
Portfolio link:
https://www.freelancer.in/u/pixelonik
Thanks & regards,
Ramandeep