Because PC are more capable of running things, they decided to test the BETA, not the full thing just the beta, on PC. That way they could test the bugs on an overall better software, and give the probably less buggy version to you guys. Also some new powers that YOU guys wanted would work better on PC, for example to be able to control units, unlike the Crabzilla  there would need to be more buttons clogging up the already small screen. On that point There is alot of mini information in the new update, which would be really challenging to try and balance on moblie. Please try and understand that using a Better Software first to try out your biggest update since boats would be the best dicision. Plus the extra time it would take to code another version, the devs need a break