Problem solving is 90% about context and framing the issues, so that solutions are relevant.
I would like to see future evoke go deeper into problem and context. to understand the issues and constraints around the problems.
A lot of the solutions to problems are unsexy such as logistics, communication, education of solution and maintenance.
finally feedback and 3rd party verification of process is important.
For example building a school is relatively easy in a village.
Keeping it staffed, motivated, clean and measuring the effectiveness of its output are even more difficult challenges.
I would like to see future evokes involve the deeper issues of maintenance & management of things. Also maybe bring in evidence from case studies etc. to some problems.
maybe have the game start with a serious of problems or evidence and have a "digg" type of approach to identify both problems, evidence and related solutions.