Greetings for the day!
Adding categories in filter for the mobile version is fine for me. I have professional working experience on Prestashop since last over 8 years, only on the PrestaShop. I have developed already many of theme and modules.
Please have a look my portfolio and feedback from my previous clients before making any hiring decision.
Please invite me to chat box for more details on your project like-time, quote, etc.
I am waiting for your quick response.
Kind Regards,
Ranju