Looks like this is a new project on Holdex - nice!
It seems you are mobile-first, right? I'm an iOS user so I can't do much with your .apk
Do you have anything for iOS users?
Yes, we will release the iOS version in then next few days.
An app for solar energy - that’s super cool! Where can I buy the tokens? Also any chance of staking or bounty programs or similar?
What does this app do?