TOKYO/HONG KONG/SINGAPORE -- For Saitama Prefecture, north of Tokyo, TikTok seemed a game-changer that could finally put it on the map.

TikTok, the international version of ByteDance's short video app, has, like telecom hardware maker Huawei, raised concerns internationally. But its "soft power" potential makes it unique. (Illustration by Nakako Shiotsuki)
Reactions to security fears after US crackdown on app reflect relations with China