Kotlin
Kotlin – concise, null‑safe code.
Native Android studio
Not a port, a native Android app
Every Drum Dojo build follows the same rule‑set: offline‑first, no trackers, no advertising IDs.
- Android‑native
- Offline‑first
- No ad ID
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Detail
What it looks like
Drum Dojo
Drum Dojo follows our standard: native, quick to open and silent about your data.
- Works without a network
- Stores data locally on the device
- Requests only needed permissions
- No accounts, no ads, no analytics SDKs
- Android‑native
- Kotlin
- Jetpack Compose
- Offline‑first
- Accessibility
- Privacy by design
What we build
Full‑cycle Android development, from sketch to release, with the boring bits handled correctly.
Native Android apps
Kotlin from day one. Apps that feel at home on Android and run on modest hardware.
Compose interfaces
Declarative UI, Material 3, adaptive layouts and fluid motion.
Offline‑first data
Room and DataStore keep everything on‑device, so the app works in a tunnel or on a plane.
Battery & performance
We profile start‑up, jank and background work, then monitor Android Vitals after each release.
Accessibility
TalkBack labels, high contrast and large‑text support are built in, not added later.
Long‑term care
Signed builds, staged rollouts on Google Play and regular updates as Android evolves.
What we build with
Key technologies we rely on for every project.
Coroutines & Flow
Coroutines & Flow – clean async and state handling.
Jetpack Compose
Jetpack Compose – adaptive declarative UI.
Room
Room – typed local database for offline storage.
WorkManager
WorkManager – reliable background jobs respecting battery.
Hilt
Hilt – DI that keeps modules testable.
Gradle CI/CD
Gradle CI/CD – repeatable builds and checks.
Play Console
Play Console – staged rollouts and vitals tracking.
How we build
Four stages, each delivering a tangible result.
Discovery
Define the problem, target users and hard limits.
Architecture
Sketch screens, data flow and permissions before any code.
Build
Write Kotlin, Compose UI and tests; deliver small installable builds.
Release & care
Stage rollout on Google Play, then monitor, fix and update.
What we promise
Consistent standards across all our apps.
Zero tracking by design
No analytics, ad SDKs or fingerprinting.
On‑device by default
Data stays on the phone.
Battery discipline
Background work is measured and limited.
Accessible interfaces
TalkBack, large text and sensible contrast built in.
Plain terms
What we do
- Build native Android apps in Kotlin
- Keep user data on the device
- Explain each permission clearly
- Support the app after release
What we never do
- Sell or share personal data
- Add advertising IDs or tracking SDKs
- Hide behavior behind vague policies
- Ship features nobody asked for
Questions, answered
Straight answers, no fine print.
What does hazalilim.com do?
We design, build and support native Android apps that work offline and respect your data.
Which platforms do you support?
Android only. We focus on one platform to do it well.
What do you do with user data?
All data stays on the device. No analytics, no ads, no selling.
How can I contact you?
Email george8whitaker@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 current.
Company details
hazalilim.com creates the apps you see here. Below are the studio’s details.
- Companyhazalilim.com
- AddressFlat 5 Corrigan Court 3 Brockway Close LONDON, E11 4TE
- Phone+48794630716
- Websitehazalilim.com
Privacy, in short
Our apps collect no personal data, use no advertising ID and include no third‑party trackers. Everything stays on your device. See each app’s full policy below.
- No personal data collected
- No advertising ID
- Delete the app, delete your data
Privacy policies