MilesPay is offering 2,200 miles for a first transaction. It still doesn't inspire me to use it.
Here is the blurb:

Spend miles anywhere with MilesPay, and secure your reward until 31.5.2022

Save on household expenses the next time you shop, fill up your car or visit a restaurant. Simply use MilesPay, and redeem the award miles you have earned when paying with your Miles & More Credit Card. You’ll earn 2,200 award miles as a thank-you for your first transaction by 31.5.2022.1

How does it work? It’s simple: register your Miles & More Credit Card one time only under MilesPay on the Miles & More app. You can then start paying flexibly right away. When you register, you’ll be credited an extra 500 award miles.2 If you don’t yet use the Miles & More app, you can download it now for free. When you download the app, you’ll earn another 500 award miles.3

Enjoy total flexibility when paying with your Miles & More Credit Card, and make the most of your extra miles.

Your Miles & More Team