It's important to collaborate with whole world Delphi professionals. Firemonekey is the best crossplatform library and we should popularize it.

Telegram groups and channels:

• Delphitech: https://telegram.me/delphitech
• Delphi Developers: https://telegram.me/delphicode
• Fire-Monkey (Russian indy community): https://telegram.me/fire_monkey

Social networks:

• Delphi iOS & Android Developers G+: https://plus.google.com/b/102820202313664824882/communities/107332833200594894879
• Facebook group: https://www.facebook.com/groups/137012246341854/
• VK.Com group: https://vk.com/delphi_for_apple

Web Sites:

• http://fire-monkey.ru/
• http://www.fmxexpress.com/

If know another popular group, that people use FMX and other new Delphi and C++ Builder, wright down the comment.