Because the global version of TikTok is unavailable in certain markets (including Hong Kong), modified files are frequently sought out to bypass SIM-card or IP-address blocks. Critical Risks of Downloading Modded APKs
You will not receive security patches or new official features unless you manually find and install a newer modded version.
is a very outdated version of the app. Using such an old, modified version will likely result in crashes, missing features, and serious security risks. Stick to the official app to keep your account and your phone secure. (like watermark removal) or trying to access TikTok from a restricted region?
: This suggests a premium version of TikTok, possibly modified or tailored for users in Hong Kong or with specific features appealing to that market.