Building a replacement to Google Mobile Services (GMS) is a gargantuan task, but Huawei is doing a rather good job.

US sanctions, as they stand, means that Huawei will no longer have access to American hardware and software going forward.

The hardware side presents challenges, but Huawei already makes important components like chipsets in-house (and they're impressive, too.)

Losing access to Google's services and having to build an ecosystem which competes with...