ZieBieEmm Gaming for Android

About

I started this app because I was experimenting with writing my own programming language and decided to switch to creating a BASIC parser to make my Commodore BASIC code available on my phone.

All of my recent Commodore Games are fully playable and the beta version also contains a few small test programs. 

Hint: Use the BACK Button on your phone to go back to the game selection screen.

Included software

• Das letzte Z: A short survival/strategy game: https://ziebieemm.itch.io/dasletztez
• Irrgarten: A maze game: https://ziebieemm.itch.io/irrgarten
• Schlangenwurm: A small snake/tron like game: https://ziebieemm.itch.io/schlangenwurm
• Sperrbildschirm: A puzzle and master-mind like game: https://ziebieemm.itch.io/sperrbildschirm
• Hello, World! (Test Program): Prints "Hello, World!" on the screen and measures the time it takes to do so. I use it to compare the performance on different devices. 
• Saved Values (Test Program): Shows all the different persisted values.
• Zoomed Clock (Test Program): Displays the system clock on the screen with 2x Zoom. Pressing any button will switch the zoom mode.
• Schlangenwurm (X16 Test Program): The X16 Version of Schlangenwurm (https://ziebieemm.itch.io/x16-schlangenwurm). Added for testing X16 code compatibility.

Development info

• The App was written in Android Studio and Eclipse IDE using Kotlin and Java.
• The 3D "Retro Ready Smartphone" as seen in the thumbnail was created using MagicaVoxel.
• The title pictures for the games' box-arts were generated with starryai.
• The boxes were created in LibreOffice Draw. 

Store description [AI]

=== Description ===

The real BASIC gaming experience – now available on Android!

Loaded with original BASIC games, this app teleports you back to a time when the world was less stressed and less complicated. A time when your 8-bit computer was all you needed: no flashy 3D graphics, no season passes and no loot boxes – just some cleverly positioned PETSCII graphics and a few lines of BASIC were all it took.

Download now and experience a whole list of exciting features:

- Pixelated 8-bit graphics with HD clarity

- Three nostalgic color themes to choose from

- Easy to learn controls and hardware keyboard support

- Genuine BASIC games running natively in the app

It's not just authentic. It's the real thing!

=== Included Games ===

== Das letzte Z ==

The consonants have fallen.
Only Z remains.

Step into the ultimate arcade challenge!

You are the last surviving Z, facing off against a relentless horde of evil vowels— A, E, I, O and U. Each enemy has its own strength, and every shot you fire drains your energy. Choose your battles wisely, hit the right crates for energy, and avoid the traps that can cost you dearly. Fast, furious, and pure arcade action — this is a real game, not a fake ad!

Will you be strong enough to you survive and eliminate the vowels?

== Irrgarten ==

Can You Escape the Endless Maze?

Every time you start the game, a brand-new labyrinth awaits — randomly generated and full of mystery. But beware: your vision is limited to only what’s around you. Step by step, corridor by corridor, you must rely on your instincts, memory, and courage to find the way out.

No map. No second chances. Just you and the shadows.

Are you ready to find the exit — or will you be lost forever?

== Schlangenwurm ==

How long can you survive?

Take control of a growing serpent in this fast-paced arcade challenge! Schlangenwurm is a modern twist on the classic snake formula — simple to learn, endlessly addictive, and brutally unforgiving.

With every move, your tail grows longer, making survival increasingly difficult. There’s nothing to collect, no shortcuts — just pure skill and reflexes. Crash into a wall or your own body, and it’s game over.

Your only goal: stay alive as long as you can, and see how long you can grow.

Classic concept. Modern challenge. Endless fun.

== Sperrbildschirm ==

Can you crack the code?

A strange new machine has arrived. Its glowing screen stays hidden behind mysterious barriers: shifting patterns, secret numbers, and even phantom fingerprints. Only the sharpest minds will discover how to break through.

Choose your challenge: Pattern or PIN. Each mode offers three escalating levels of difficulty, testing your memory, logic, and problem-solving skills. Every step closer feels like prying open a piece of future technology.

It may seem like science fiction, but the puzzle is real. The lockscreen awaits – do you dare to try?