The games built for this era were optimized for those constraints. They are lightweight, require no internet connection (mostly), and lack the invasive microtransactions and ads that plague today’s free-to-play market. Playing Android 2.3.3 games is about preserving history and experiencing "just works" simplicity.
: Early versions of this sandbox giant were legendary on 2.3.3 devices, often pushing the single-core processors of the time to their limits. Technical Milestones for Developers