Welcome to Shopify Community. My name is Olivia and I work here.
Thanks for sharing your question with our network. At this time, our Android POS is more limited than its' iOS counterpart, but you certainly have a few options for accepting credit payments:
Make sure to check the "tech specs" under each link to ensure compatibility and make sure you meet all requirements for using each reader. All of our other hardware also includes information on compatibility through Shopify's Hardware Store.
For any other questions that might come up around devices to use Shopify POS, make sure to check Shopify POS basic features by device.
Let me know if you have other questions.