Based on the evidence, "Eng Hoshino Hina Ashi Pero" is an unofficial Blue Archive fan game.
The search term almost certainly points to an unofficial fan game (or similar digital project) set in the Blue Archive universe. Built with the Godot Engine, it's designed to be playable on both PC and Android. The phrase "ashi pero" acts as a specific identifier for this version, and "RJ01" serves as its technical build code. While the project is likely a harmless fan work, the associated security flags from the APK analysis mean the file is not recommended for download. Instead, using this information to find the creator's official page or a more reputable source for the game would be a much safer approach. eng hoshino hina ashi pero pc android rj01 full