Careless was I when I somehow inadvertently deleted Firefox from my old Google Nexus One, which has Android 2.2. No matter, go to the Google Play/Android market store and download it, right? Not so fast. It turns out as of Jan 2015 Firefox has dropped support for Android 2.2 and ARMV6 devices, and Firefox is no longer available for my Android version. Google Chrome for Android is only available for Android 4 and newer, so not available for me.
It is not easy starting any major technical development area, and Android development is no exception. There are a lot of resources to query, but there really is no one but yourself to try and figure things out. Query your problem on Google Search and you’ll likely end up at StackOverflow.com. While there are answers, they might not answer your question. You try, fail, and then try something else. Here are some tips I learned.