Some of the very less explored and told ways among the people is making money through surveys. There are companies that require feedback for their products and hence they approach websites that will provide them the apt platform where there are many visitors. The company pays the website to get the surveys filled and in return, the visitors are paid by the company to fill the survey. Some of the top sites are given below: Best online surveys that pay cash:dailyjunkies.com
I found this post on Citi.io about mobile casino applications for iOS and Android — https://citi.io/2018/12/04/mobile-casino-applications-comparing-android-vs-ios/ . And I tried to use some of them on my smartphone. You know, I like such apps even more than desktop versions. It is very convenient as everything is on your phone and you can play casino games whenever you want. Of course, the display size is two times less than that of PC or laptop, but this flaw is cut off by its mobility, and a possibility to still make money.