The Amazon Appstore has a limited selection of apps, but adding the Play Store will expand your options dramatically.

However, there are ways around this using an Android emulator like BlueStacks, which will allow you to download and run apps ...

Debuting with 4,084 apps and games, within four years, more than 400,000 titles were available. The Kindle Store on Amazon.com is used to download e-books to the Kindle reader, Kindle mobile app ...