However, the days of 2008 where one could put out 99 cent fart apps and rake in the cash, or the days of 2012 where one could put out a free-to-play, pay-to-win game are now behind us.
No more than a tiny fraction, perhaps a percent of a precent, of mobile developers were "raking in the cash" making novelty apps and pay to win games. The overwhelming majority of mobile developers had full time jobs writing software for established companies then, as they do now.
And it's funny that you mentioned embedded programming. Back in the PDA days it was considered embedded programming, so we'd hire anyone with embedded experience, whether it was microcontrollers, or set-top boxes, or cell phones, or what have you. It didn't really matter what you worked on, only that you knew how to write C code for a constrained environment and only thought about suicide when dealing with the overtly complicated toolchains.
Apple and Google made it too easy.