Depending on the context in which you intend to use this phrase (e.g., a search query, an article introduction, or a technical description), here are a few ways to rewrite the text for better flow and clarity:
Sideloading: This distribution method requires users to enable "Unknown Sources" on their devices, creating a niche market that operates outside the mainstream mobile ecosystem. Trends in Virtual Reality (VR) and AI 3d virtual sex simulator android applications
Pocket Waifu / Nutaku Titles: Nutaku hosts various 3D simulators such as Pocket Waifu. These are more "tamagotchi-style" games where you manage a character's needs. They feature decent 3D models but focus more on progression and unlocking scenes than pure sandbox physics. Depending on the context in which you intend