Wong has said he will be a "prime target" of Beijing's national security law, which critics fear will crush freedoms in the former British colony.

Some winning candidates said the result was akin to a vote of support for the protest movement, and could raise the pressure on Hong Kong's pro-Beijing chief executive, Carrie Lam, amid the city's worst political crisis in decades.

"I urge more and more people, more and more world leaders, they should speak up for the humanitarian crisis [and those] suffering in Hong Kong," Wong told Global News.

Hong Kong authorities barred pro-democracy activist Joshua Wong from an election as the city's leader warned Tuesday that months of violent protests have pushed the city to the brink of recession.

"This is not a plea for so-called foreign interference. This is a plea for democracy."

Police have been rejecting more applications for rallies and marches, and conducting more arrests.

Pro-democracy demonstrations in support of Hong Kong sprouted in major cities across the world this weekend, ranging from Paris to Tokyo to Vancouver.

Some people online are saying otherwise and want the world to know: they’re not all bad.  

Joshua Wong was a leading figure in Hong Kong’s 2014 Umbrella Movement demonstrations.

The app is called "Xuexi Qiangguo". First released in January this year, its name means 'Study to make China strong.'