Native Android studio

Launch Raft Rush instantly on your Android

coteclotur.com delivers native Android games built with Kotlin and Jetpack Compose that work without a network connection.

  • Android-native
  • Offline-first
  • No ad IDs
RaftRushApp.kt⌘S
Runs offlineNo trackingMaterial You UI
  • Android-native
  • Kotlin
  • Jetpack Compose
  • Offline-first
  • Accessibility
  • Privacy built‑in

Our process

Four clear steps from first call to ongoing support.

  1. Discovery

    Define goals, users, and privacy constraints.

  2. Architecture

    Map screens, data flow, and permissions before coding.

  3. Build

    Compose UI, Kotlin logic, and tests delivered in incremental builds.

  4. Release & care

    Staged Play rollout, monitoring, and updates for new Android releases.

Services

Full‑cycle Android development, from concept to long‑term support.

Native Android games

Kotlin code that runs smoothly on everyday devices.

Compose UI

Declarative screens with Material 3 that adapt to any size.

Local data storage

Room and DataStore keep progress on the device, even in a tunnel.

Battery‑aware performance

Startup profiling, jank monitoring, and Vitals checks keep the game light.

Inclusive design

TalkBack labels, high contrast, and scalable text are baked in.

Release & upkeep

Signed builds, staged Play rollouts, and ongoing updates.

RaftRushApp.kt⌘S

Our app

Raft Rush

Raft Rush follows our core rules: native, offline‑first, and silent about your data.

  • Plays without internet
  • Saves progress locally
  • Requests only needed permissions
  • No accounts, no ads, no analytics
  • Android
  • Offline-first
  • No ad IDs
  • Kotlin
Read the privacy policy

Common questions

Straight answers, no fine print.

What does coteclotur.com do?

We design, build, and maintain Android games with offline use and privacy as defaults.

Which platforms do you support?

Android only – we focus on one platform.

What do you do with user data?

All data remains on the device; we never run analytics or sell information.

How can I contact you?

Email nabiousseau@gmail.com or use the contact form on this page.

Do you support apps after release?

Yes. We deliver fixes, adapt to new Android versions, and keep dependencies up to date.

Our stack

Key technologies we rely on for every project.

Kotlin

Kotlin – concise, null‑safe code.

Coroutines & Flow

Coroutines & Flow – smooth async handling.

Jetpack Compose

Jetpack Compose – adaptive UI.

Room

Room – local relational storage.

WorkManager

WorkManager – battery‑friendly background tasks.

Hilt

Hilt – modular dependency injection.

Gradle CI/CD

Gradle CI/CD – repeatable builds.

Play Console

Play Console – staged rollouts and vitals.

What we promise

Non‑negotiable standards for every project.

Zero tracking by design

No analytics, ad SDKs, or fingerprinting.

On‑device first

All data stays on the phone.

Battery discipline

Background work is measured and limited.

Accessible UI

Supports TalkBack, large text, and proper contrast.

0trackers in our apps
0advertising IDs used
100%of app data kept on the device
1platform we build for

In plain words

What we do

  • Create native Android games in Kotlin
  • Store player data locally
  • Explain every permission clearly
  • Provide post‑release support

What we never do

  • Sell or share personal data
  • Add ad IDs or tracking SDKs
  • Obscure behavior with vague policies
  • Ship unwanted features

Studio details

Meet the team behind coteclotur.com and its Android creations.

Start a conversation

Send a brief note about your project – your email client handles the rest.

nabiousseau@gmail.com

Privacy, in short

Our games collect no personal data, use no ad IDs, and contain no third‑party trackers. Everything stays on your device. Read each app’s full policy below.

  • No personal data collected
  • No advertising ID
  • Delete the app, delete your data