To get the "better" experience you're looking for, apply these settings within PojavLauncher:
However, Minecraft Alpha 0.0.0 had significant limitations: minecraft alpha 000 pojavlauncher better
Go to PojavLauncher Settings > GL4ES > Set "Render Mode" to "Speed." This forces the Alpha client to run at unlimited FPS. On a modern phone (SD 8 Gen 2 or A16 Bionic), rd-132211 will run at 350+ FPS. The game physics (such as they are) become buttery smooth, despite the code being older than most of your Twitter followers. To get the "better" experience you're looking for,