Yes and yes to your questions! Here's a video that may be exactly for you:
https://peakd.com/hive-13323/@bulldog1205/yvutzwrj
If you decide to join Splinterlands, your first contact with the game will be through Ranked Battles, but the more you play and learn about it the more you'll discover the various facets of the game, which is both a game and an economy with various ways to earn. You might also want to look at Splinterglossary when you don't understand a term related to Splinterlands (I worked on this for months to put together). Plus you should ask questions. This is my referral link, if you want to join using it.