ANDROID: Better performance and less latency, switched to 48khz for audio output.

• ANDROID: Improved file association of .dmf files.
• On screen piano key press color is now relative to the channel volume.
• Touch: Increased max UI scale limit to 5 (previously on 2).
• Touch: Better support for devices with round edges and notch.
• Touch: While changing UI Scale the main menu will be transparent in order to see better how the UI will end up.
• Fix a bug while using pitch commands on sample channels.
• Added support for Start (0xFA) and Stop (0xFC) MIDI signals.
• Better mix of volume commands (tremolos, Axy, etc) with macros.
• If a ROM export fails an information dialog will appear explaining what went wrong.
• Now the integrated file dialog can see .DMF files correctly (uppercase extension)
• Fixed emulation of SID 6581 combined waveforms.
• Desktop: The screensaver of your PC will be shown when the app is running.
• Update to SDL 2.0.16.
• New demo songs by HeavyViper (NES/nouroblade, NES/starrysky), Delek (Arcade/bicolored), Joshi (Arcade/star_light_squares), Ygor G (Genesis/marble_zone) and Crisps (C64/office_loader)
• Bug fixes.