Any device running Android 6 or higher will be compatible with the version offered in the Google Play Store. Unfortunately, we no longer support Android 5 and cannot offer the APK for download. It’s up to your discretion if you want to download it from another source, however, we don’t monitor the legitimacy of other sources nor do we provide support or guarantee it will work on your device. Please let me know if you have any further questions!
All the best,
Avenza Systems Inc.