Our company recognizes a significant challenge for Shopify stores: while mobile devices account for most visits, conversion rates on mobile lag behind desktop, often by nearly half. This gap isn't due to casual browsing but friction points in mobile usability, especially in the product detail pages and cart flows. We focus on optimizing these experiences by positioning key actions within easy thumb reach to streamline the buying process, thus improving add-to-cart and checkout rates. By emphasizing simplicity—displaying only essential elements like the call-to-action and pricing—and designing for imprecise taps, we reduce user frustration. Our approach addresses the subtle hurdles in browsing and filtering, enhancing momentum and fostering scalable Shopify experiences tailored to mobile users.