If you're looking for a narrative experience rather than a tool, there is a 2D suspenseful puzzle game simply titled The Diary .
For older devices, niche sites like APK.GOLD host versions specifically tailored for Android 6. 4. "The Diary" (Puzzle Game)
This first release contains two separate applications: a "Data Viewer" and a "Launcher". The launcher is shown in the video above. Diary - Apps on Google Play
Available on major platforms like Spotify and YouTube Music .