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Hello, I am

ROHAN KRYTHOS

Android Developer | Game Developer | AI Enthusiast

I build immersive games and powerful apps that combine performance, design and innovation. From the battlefields of Haryana, India — forging digital experiences that leave a mark.

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Rohan Krythos, Android and game developer

About This Website

This is my personal developer portfolio — a dark, cinematic space built to showcase the games and apps I create. From sword-and-axe combat in Unity to gamified habit-building Android apps, every project here is crafted with the same obsession: performance, design, and immersive experience.

Explore my featured work below, dive into each project's story, and feel free to reach out through the contact section if you'd like to collaborate or just talk shop.

Portfolio

Featured Projects

DocToolkit PDF scanner and document tools app screenshot
New

DocToolkit

PDF Scanner & Document Toolkit

Scan, OCR, merge, split, compress, sign and lock PDFs. A fast, private, fully offline all-in-one document app with no ads and no account.

App Page
AuraStep step counter app screenshot
New

AuraStep

Step Counter & Fitness App

A simple, battery-friendly step counter and pedometer for Android. Track steps, streaks and daily goals, with home-screen widgets that keep you moving.

Google Play
Habit Warrior habit tracker app banner

Habit Warrior

Productivity App

A gamified habit tracker, GPS run tracker and puzzle alarm clock in one RPG-style app. Build streaks, earn XP and climb the leaderboard.

Google Play
Sword and Axe: 22 Thrones offline action RPG gameplay

Sword and Axe: 22 Thrones

3D Action Game

An offline fantasy action RPG. Fight with sword and axe, defeat bosses and conquer 22 fallen kingdoms.

Get on Google Play
In Development
Warrior RPG in development, dark fantasy hero

Warrior RPG

Coming Soon

An epic RPG adventure set in a dark fantasy world. Currently in active development with 3 more games and 1 new app in the pipeline.

Coming Soon
NutriTrack Pro Max nutrition tracker screenshot

NutriTrack Pro Max

Nutrition & Fitness App

A smart nutrition tracker that helps you fuel a better you — track calories, macros, water intake, and get a personalized nutrition guide. Currently in active development.

Gallery

Project Showcase

DocToolkit app icon

DocToolkit

Scan · Convert · Edit · Organize
DocToolkit home screen
DocToolkit scan documents to PDF
DocToolkit convert tools screen
DocToolkit merge PDF
DocToolkit edit and sign PDF
DocToolkit OCR extract text
DocToolkit lock PDF with password
DocToolkit supported file formats
DocToolkit organize files with folders and Recycle Bin

Scan, convert, merge, split & edit PDFs. Fast, private, works fully offline.

DocToolkit – Scan & PDF Tools is an all-in-one document scanner and PDF toolkit for Android. Scan paper to PDF, extract text with OCR, merge, split, compress, sign and password-protect PDFs, and keep everything organized. Everything runs on your phone – no ads, no account.

Full details, features & FAQ → · Privacy Policy
AuraStep app icon

AuraStep

Small Steps, A Better You
AuraStep today screen, light theme
AuraStep today screen, dark theme
AuraStep weekly analytics screen
AuraStep home screen with step widget
AuraStep small, medium and large home-screen widgets
AuraStep widget style options

A simple, battery-friendly step counter and pedometer that helps you walk more every day.

AuraStep: Step Counter shows your steps on a live progress ring, calculates distance, calories and active minutes, and keeps you going with streaks and gentle reminders. No account is needed to start. Your steps are stored on your device, with optional cloud backup when you sign in.

Features

  • 👣 Live step count with distance, calories and active minutes
  • 🎯 Goal modes for losing, maintaining or gaining weight, with a daily step goal you can change
  • 🔥 Daily streaks with badges at 3, 7, 14, 30 and 100 days
  • 📊 Calendar history, daily charts and weekly or monthly comparison
  • 🧩 Small, medium and large home-screen widgets
  • 🔔 Calm notifications: at most one nudge a day, quiet hours and a weekly recap
  • ⚡ Automatic low-battery mode or optional real-time tracking, using your phone's step sensor
  • 🔒 Works offline, optional cloud backup when you sign in

Every step counts. Start your streak today.

AuraStep is a fitness and wellness tool, not a medical device. Values are estimates.

Get it on Google PlayPrivacy PolicyDelete account
Habit Warrior app logo

Habit Warrior

Build Habits. Break Weaknesses.
Habit Warrior puzzle alarm clock screen
Habit Warrior habit tracker with streaks
Habit Warrior home screen
Habit Warrior weekly leaderboard
Habit Warrior run and travel stats
Habit Warrior GPS run tracker
Habit Warrior puzzle alarm challenge
Habit Warrior run summary

Build streaks, run with GPS and wake up with puzzle alarms – all in one RPG-style habit tracker.

Habit Warrior: Run & Habit (also known as Habit of a Warrior) combines a habit tracker, a GPS run tracker and a puzzle alarm clock into one self-improvement game. Earn XP for every habit and run, level up your warrior and compete on the weekly leaderboard.

The alarm makes you solve a challenge to switch it off, and it is built to keep working on phones with aggressive battery saving.

Features

  • 🏆 Daily, tick-based and unit-based habits with real streak tracking
  • ⭐ XP and 10 warrior ranks, from Recruit to Supreme Warrior
  • 🔥 100-Day War Path challenge and 15+ unlockable badges
  • ⏰ Puzzle alarm clock: Sword Slash, Shield Memory, Lightning Tap, Torch Maze, Archery and Crossbow challenges
  • 🏃 GPS run tracker with pace, distance and route, and automatic indoor/outdoor switching
  • 🥇 Weekly leaderboard with anti-cheat protected rankings
  • 👤 Warrior ID, custom profile and unlockable avatars
  • 👑 Optional Elite Pro: unlimited habits and alarms, no ads and cloud backup, with a free trial for new warriors

Ready to become a warrior? Start your War Path today.

Get it on Google PlayPrivacy Policy
Sword and Axe: 22 Thrones app icon

Sword and Axe: 22 Thrones

War. Strategy. Glory.
Sword and Axe combat controls
Sword and Axe world map of the 22 thrones
Sword and Axe hero profile
Sword and Axe desert battle
Sword and Axe boss fight

Fantasy warrior RPG. Conquer kingdoms in offline battles.

Sword and Axe: 22 Thrones is an epic offline action RPG where courage, power and destiny collide. The world is broken, kingdoms have fallen and the 22 Thrones are under dark control. Only a true warrior can rise, fight brutal enemies and reclaim the lost kingdoms.

Play anytime, anywhere: no internet is required to play. The game is made to run smoothly, including on low-end devices.

Features

  • ⚔️ Fast-paced sword and axe hack-and-slash combat
  • 👑 Conquer 22 thrones, each one a fallen kingdom
  • 🔥 Boss fights with unique attack patterns that test timing and skill
  • 🛡️ Warrior progression: unlock new abilities and improve your combat skills
  • 🌍 Fully offline action RPG experience

Do you have what it takes to claim every throne? Download now and begin your journey.

Get it on Google PlayPrivacy Policy
NutriTrack Pro Max app logo

NutriTrack Pro Max

Fuel A Better You
NutriTrack Pro Max dashboard
NutriTrack Pro Max analytics
NutriTrack Pro Max nutrition guide

Track calories, macros, and water — and learn to eat smarter, every single day.

NutriTrack Pro Max is a smart nutrition and fitness companion that helps you understand what you eat and how it fuels your body. From daily calorie goals to a full nutrition education guide, it's built to make healthy eating simple and sustainable.

Track your macros, stay on top of hydration, and get personalized insights that adjust as your habits improve.

Features

  • 🔥 Daily calorie & macro tracking
  • 💧 Water intake tracker with quick-add
  • 📊 7/30/90-day analytics & trends
  • 🥗 Built-in nutrition guide & recipes
  • 🎯 Personalized nutrition score & insights
  • 📅 Weekly consistency tracking
  • 🍽️ Curated healthy recipe library
  • 🌙 Clean, modern dark theme

Good nutrition fuels a better you.
NutriTrack Pro Max is currently in active development — stay tuned!

Get an email the moment NutriTrack Pro Max launches. No spam.

Rohan Krythos
Rohan Krythos
Rohan Krythos

Rohan Krythos

Real Name: Rohan Bairagi
Haryana, India

I am Rohan Bairagi, known in the digital world as Rohan Krythos — a passionate developer who believes that every line of code is a step toward building something extraordinary. My journey began with a simple curiosity about how games work, and it evolved into a deep obsession with creating immersive digital experiences.

From Android apps that solve real problems to Unity games that transport players to new worlds, I blend technical expertise with creative vision to deliver premium experiences. Based in Haryana, India, I am constantly pushing boundaries — currently developing 3 new games and 1 new app alongside my existing projects.

My official projects include the warrior-themed productivity app "Habit Warrior" (live on Google Play), the step-tracking app "AuraStep", the epic 3D action game "Sword and Axe: 22 Thrones", and the upcoming nutrition companion "NutriTrack Pro Max". I don't just build software — I forge digital weapons for the modern age.

15+
Projects
8+
Apps
5+
Games
5000+
Hours Coded

Expertise

My Skills

RK
Android
Kotlin
Firebase
Blender
Git
Photoshop
Unity
AI

Track Record

Achievements

15+
PROJECTS
8+
APPS
5+
GAMES
5000+
HOURS CODED
50K+
USERS
∞
PASSION

Get In Touch

Let's Build Something
Extraordinary

I am always open to exciting opportunities and new challenges.