I’m having a similar problem. I bought
this book from Kobo for £9.56, then submitted a Price Match for the same book on
Google Play, where it’s listed for the considerably cheaper price of £4.60. They replied and said Price Match wasn’t applicable because "The book is not priced in your currency or is from a retailer not located in your country."
The book certainly seems to be priced in my currency, as it’s displayed in pounds and I can go right through to the point of purchasing it, so are they saying they don’t price match Google Play books?
I half wonder if they’re getting confused because the Helpdesk people aren’t in the UK, and therefore view the site in a different currency.
At any rate, I spoke to someone on chat who said to resubmit it and it should work this time, so we'll see. Frankly I’m not convinced. It’s pretty disappointing, because I’ve never had any hassle when price matching Kindle books, just this one. I had a lot of good will towards Kobo but it’s swiftly evaporating!