Update of mobile empire on March 24, 2020:
1. Redraw all the UI, from the original rough wind to the current technology simple wind;
2. Optimized all mobile phone renderings;
3. Optimize all mobile phone design drawings;
4. Optimized all the characters' heads;
5. Some mobile phone pictures have been updated;
6. All icons updated
7. Updated the novice guide;
8. Part of the operation logic is optimized.
