A quick Google search indicates that Yandex has its own payment system: https://yoomoney.ru/?lang=en probably not equivalent to Apple Pay but it's something.
This is probably a great opportunity for Russian and Chinese tech companies to gain market share as western companies are banned from operating in Russia.
Agreed, I was surprised how wide spread electronic payments were so there will be a big market up for grabs. Doing some quick googling, russia seems to be among the countries with the largest percentages of cashless transactions (~80%). What's interesting about his explanation was that the main motivation for people was trust, if I recall some places wouldn't even let you pay with cash because they did not trust it.
Chinese mobile payment is all based on total knowledge of your identity and constant super-app supervision of your life. You can't separate it from messaging, government services, ID/passport and phone number, etc. I doubt very much that the Russians, governing from an ex-FSB mentality, would allow that type of Chinese 'tech' to operate.
This is probably a great opportunity for Russian and Chinese tech companies to gain market share as western companies are banned from operating in Russia.