Older versions like 1.5.2 are often preferred because they are easier to run offline compared to newer, more "live-service" oriented updates. Key Features of DEEMO
Take the folder containing the .obb file (usually named com.rayark.pluto ) and move it to Internal Storage > Android > obb .
Searching for on sites like Kuyhaa usually means you are looking for a way to get the full rhythm game experience on Android without the usual paywalls. DEEMO is famous for its beautiful piano-driven soundtrack and its touching story about a mysterious black creature and a little girl.
The "falling notes" gameplay is designed to make you feel like you are actually performing the piano tracks.