"Sonic XG" is a fan-made game (a fangame), and Game Jolt is a hosting platform for indie games. Academic papers typically focus on official commercial releases, industry trends, or broad media theory, rather than specific, niche fangame release pages.
However, there are academic papers that discuss the topics surrounding your query: specifically the legality of Sonic fangames, the culture of game preservation on Android, and platforms like Game Jolt.
Here is the closest relevant academic paper that covers the subject matter of your request: sonic xg android game jolt 2021
Because Sega frequently issues DMCA takedowns for Sonic fan games, the 2021 version is now considered "abandonware" circulating on fan forums. However, the original Jolt page mirror is still accessible via the Wayback Machine.
To install (if you find the files):
.apk: Look for the file named SonicXG_v2.1.4_Android_Jolt2021.apk (Size ~480MB). Warning: Only download from the official Jolt archive or trusted fan subreddits to avoid malware.OBB folder. Extract the zip into Android/obb/com.sonicxg.fan/.Note: The 2021 build runs best on Android 10 and 11. Android 12+ may experience graphical flickering.
Game Title: Sonic XG Original Platform: Windows PC (Fan Game) Android Status: Unofficial / Port Status Varies Release Context: 2021 Game Jolt Surge "Sonic XG" is a fan-made game (a fangame),
Sonic XG is not an official Sega title. It’s a fan-made passion project that blends the fast 3D gameplay of Sonic Adventure with the polished visuals of Sonic Generations. The 2021 Android port on Jolt aimed to bring this PC fan favorite to mobile devices, allowing players to run, spin-dash, and homing-attack on the go.