Wang Chenglu, president of software development at Huawei CBG also talked about the improvements of the HarmonyOS 2.0 over the original version.
Huawei's consumer businesses faced a tough time due to inability to use Google's ecosystem in overseas markets.
In August, the U.S. expanded earlier restrictions aimed at preventing Huawei from obtaining semiconductors without a special license.
The main challenge for Huawei is building a robust catalog of third-party apps for the OS when Android dominates the smartphone market.
Huawei says Harmony will power watches and laptops as well as phones, saying that makes it more than just an Android alternative.
Android fans have been placed on red alert as Google's hugely-popular mobile operating software could be replaced on millions of devices worldwide.
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Dubbed Harmony, it will be featured on the firm's smartphones from next year.
USA companies - including Google - have been prevented from doing business with Huawei after it was placed on a blacklist from the White House. After a year of extensions and planning, the U.S. Commerce Department doesn't appear to be budging from its initial assessment of Huawei as a "security risk".
The U.S. alleges that Huawei could conduct intelligence for the Chinese government and has urged its allies to exclude Huawei from its telecommunications networks.
Huawei said the mobile applications integrated with HMS so far have exceeded 96,000.
And what about current Huawei phones that are running on Android (GMS and non-GMS)? While Huawei's new smartphones still run on Android, they run on an open-source version of Android-without, obviously, Google Mobile Services. After Sept. 15, it will lose nearly all access to partners like Taiwan Semiconductor Manufacturing Co., which has been making Huawei's Kirin processors.
What remains unclear is whether Huawei has the clout in its home country to attract developers to its new platform.
At the event, the brand also announced that the brand's mobile ecosystem has more than 1.8 million programmers worldwide.