Another update got released wich solve most of the game current issues, demo also received these fixes.

Changelog:

• Day Phase Rework – Performance issues should no longer occur.
• Battle Improvements:
• (Self-damage removed, girls will now primarily use attacks based on their body type, etc.)
• Achievement Fixes
• Bug Fixes
• Variable Adjustments
• Increased Healing Skill Effectiveness – HP recovery increased.
• Increased Dating Love Gains – Love points earned from dating have been increased.

Also salvation for Android players you do not longer need to use Emulator to make the Android build 100% working.