2- The features you should improve upon are...

2a. zombie clients, when a client is connected but not working, need
to detect this and move to another server/destination

2b. Windows client: have seen divergent UIs, need to go with one, need
byte counter/graph, cumulative statistics

2c. When i open tickets they kept getting closed. And also didn't show
up in the user interface

2d.
Fix the spelling errors in the help screen for the linux client:
" -f --feedback Submit your feebback to PureVPN"

feebback is a spelling error in the -h call to linux client