President Joe Biden has revoked an executive order from his predecessor Donald Trump banning Chinese apps TikTok and WeChat in the US.<br />'' <br />''The ban faced a series of legal challenges and never came into force.<br />'' <br />''Instead, the US Department of Commerce will now review apps designed and developed by those in the jurisdiction of a foreign adversary, such as China.<br />'' <br />''President Biden said it should use an evidence-based approach to see if they pose a risk to US national security.<br />'' <br />''TikTok did not offer comment on the news.<br />'' <br />''Former President Trump ordered the ban on new downloads of the viral video app TikTok, which is owned by Chinese firm Bytedance, in 2020.<br />'' <br />''He described it at the time as a threat to national security.<br />'' <br />''A proposal was produced that would have seen Oracle and Walmart owning a US entity of the service, and taking responsibility for handling TikTok's US user data and content moderation.<br />'' <br />''<span style="color: #222222;">But a series of legal challenges, and the fact Trump was due to leave office shortly afterwards, meant neither the ban nor the involvement of the US companies ever came to fruition.</span><br />