The best thing to do to understand the app is try the early prototype app on an android phone. The game .apk is attached to this brief and can be installed directly to your phone if you enable 3rd party apps. It can also be installed from the Play Store if you register as an alpha test user by going to the google community https://plus.google.com/communities…7068139854
If you have a google account then it only involves clicking a single button.
Any problems running the app, I'm happy to help.
Screenshots are also in the accompanying zip file, which should help to understand the concept without installing the app. The most important one is "screenshots/game.png" I suppose.
It's a very simple structure. Currently there are 3 screens; the main menu screen, the level explorer, and the game screen. You go from the main menu screen to the level explorer, which lets you choose a game level to play. When you select a game level in the explorer, you play that level. After the game is won/lost you go back to the level explorer and repeat.
This app development is a bit of an experiment. I probably can't sensibly justify the cost because the game probably won't recover even close to the costs but I'm intrigued and it might just work out. I am currently just looking for 1 screen at the moment (the game/puzzle screen). If it works out, we can discuss coming up with a splash screen, explorer screen, etc. afterwards.
It should be possible to adapt the design to both landscape and portrait. See current prototype screenshots to see how it currently does that (but it doesn't have to work the same way if you have other ideas).