These are the lists

Current 15 free visa countries

Thailand
Malaysia
Singapore
Brunei
Philippines
Hong Kong SAR
Macao SAR
Chile
Morocco
Peru
Vietnam
Ecuador
Cambodia
Laos
Myanmar

The additional 30 countries

Austria
Bahrain
Belgium
Canada
Czech Republic
China
Denmark
England
Finland
France
Germany
Hungary
Italy
Japan
Kuwait
Mexico
Netherlands
New Zealand
Norway
Oman
Poland
Qatar
Russia
South Africa
South Korea
Spain
Sweden
Switzerland
United Arab Emirates
USA