Something to note is that if you have a recent-ish iPhone (iPhone 8 or later), Apple Watch (Series 3 or later), Pixel (4 or later), or Pixel Watch, regardless of where they're sold those all have the Japan-specific bits in their NFC hardware required for the digital wallet version of Suica and other Japanese IC cards. For other Android manufacturers (Samsung, etc), you'll have to get ahold of Japanese models for that capability.