Evolution of the Android Ecosystem: A Longitudinal Study on the Google Play Store Authors: N. Viennot, E. Garcia, J. Nieh (Columbia University) Published: 2014 (IMC '14)
Each of these can be sideloaded similarly to the Play Store and gives you access to thousands of legacy-compatible apps. google play store for android 422 apk
You can download it safely from reputable APK archives: Evolution of the Android Ecosystem: A Longitudinal Study
Even if a compatible APK (e.g., version 24.0.18) is installed, the following issues are inevitable: version 24.0.18) is installed