Fledgling Videogame Developer

"Shapecalypse: Cosmic Impact" is a fast-paced space battle game with unique twist. Attention and quick reflexes are required to be successful in this galactic war. Features: - Google Play leaderboard - Local highscore will be saved too - Geometrical aliens have 4 different attack styles (will be mixed) - Compelling background music - Easy to learn but hard to master Facitious story: Mankind decided to set up a colony on distant asteroid zone. Unfortunately, that part of the space was already inhabited by geometric alien race. So serious consequences will be expected! (what a surprise) Your task: Your mission is to defend the surface of distant astral body as long as possible. Geometric aliens will send geometrically shaped meteorites to crush the base, and you are the only one between them and rest of the colony. How? Geometrical alien shapes are coming from the sky in different formations. The only way to stop each wave is to catch one of the shapes with ...

Last week I ran into situation where I noticed that my Android Keystore file used for signing e.g. Battlecards game was somehow corrupted. Obviously, I had  not done any backups of my keystore file, so there was no way to fix it. So I decided to generate new keystore and compile my app again with cocoon.io. But that was not so easy: After cocoon.io compilation was finished, I was not able to load new .apk to my testing device. Tablet complained that previous version of app has been signed using different key and refused to install new version. So I removed old version of Battlecards from tablet, and realized that I had to do same for all my test accounts that were created to that tablet. Only then I was able to install new version (signed with new key). After some struggling I was able to install new version generated with new keystore file and started the app. But then I noticed that all Google Play Game Services, including leaderboards, achievements, etc. were not working at ...