Get Started
NEXSUM_LABS
  1. Home
  2. Services
  3. Mobile Apps
  4. Android Development
Book a call

[ Platform service ]

Android Development — built properly, handed over completely.

Native Android applications built with Kotlin and Jetpack Compose for the device and performance realities of the platform.

CATEGORY Mobile AppsSTACK 3 platform tagsPROOF 3 case studies available

[ What you get ]

4 deliverables. Nothing implicit.

Android architecture
Module structure, navigation, and data layer decided before any interfaces.You own: An architecture record plus the Android Studio project
Interface build
Jetpack Compose screens implemented against the UX spec.You own: The working app in your repository
API integration
Backend services wired with auth, errors, and offline behavior.You own: Verified integrations against real environments
Play Store release
Listing, screenshots, policy compliance, and staged rollout handled.You own: A live release and a repeatable rollout process
Done means
Done means the build installs from internal testing, the agreed device matrix passes, and the Play listing is approved with a staged rollout process documented.
Not included
Google Play developer account fees are yours; feature placement and install outcomes cannot be promised.
$3k–$15k
Typical focused build, fixed price
3–6
Weeks from kickoff to handover, typical
100%
Owned by you at handover

[ How it works ]

The android development engagement, phase by phase.

Discover & scope
We map how android development fits into your current stack, then agree a written scope with the acceptance criteria attached before work begins.
Plan & architect
The implementation plan records the structure, boundaries, and integration points, so build decisions are documented rather than improvised.
Build & integrate
Implementation covers android architecture and interface build in reviewable increments against the agreed plan.
Verify & hand over
We verify the acceptance checks, close the engagement out with play store release, and hand over documentation your team can operate without us.

[ Capabilities ]

The surface area of a android development build.

The platform and discipline surface we work across — what an engagement can cover when the scope calls for it.

01

Kotlin & Compose

Declarative UI with modern state patterns.

02

Architecture

MVVM-class structure with clear module boundaries.

03

Navigation

Navigation Compose, deep links, and back-stack sanity.

04

Networking & persistence

Retrofit-class clients, Room storage, and offline strategy.

05

Auth & security

Keystore, encrypted storage, and token handling.

06

Push notifications

FCM setup and permission flows done respectfully.

07

Performance

Jank, startup time, and memory tracked on real devices.

08

Play Store operations

Listing, pre-launch reports, and staged rollouts.

09

Testing & devices

Instrumented tests across the agreed device matrix.

[ Field notes ]

How we think about android development.

Why native Android development
Native Android development with Kotlin and Jetpack Compose builds applications directly for the Android platform. This lets the product respond honestly to the device fragmentation and performance realities of the ecosystem.
Who the service is for
This service suits product teams that want a first-class Android app with direct access to platform capabilities and Google services. It also fits organizations where Android users make up a large share of the audience and where platform control is more important than code sharing.
What the Android build delivers
Deliverables include Android architecture, the interface build, API integration, and the Play Store release. Each phase is sized to carry the product from initial structure to a published app in the Google Play Console.
Discovery and product strategy
The project starts by mapping the device range, OS versions, and screen sizes the app must support given platform fragmentation. Feature scope and Android architecture decisions are settled here so the build plan matches the product goals.
Technical build with Kotlin and Compose
The interface build uses Kotlin and Jetpack Compose, with Android architecture keeping features modular and testable. Code signing and version codes are configured from the start so the app bundle (AAB) is ready for the Play Store.
Integrations, APIs, and Google services
Apps connect to backend systems through API and backend integration, with push notifications routed through FCM and in-app purchases supported on the platform. App links provide deep linking so web content and app screens connect smoothly.
Quality, security, and Play policies
The build accounts for device fragmentation and performance realities, with crash reporting and performance profiling keeping issues visible. Play review and privacy policy requirements are handled so the app clears Play Store expectations.
Play Store submission and rollout
Distribution is managed through the Google Play Console using the app bundle (AAB). Play Store release and staged rollout lets the app reach users gradually so problems can be caught early.
Monitoring and performance across devices
Crash reporting and performance profiling continue after release to track behavior across the diverse device landscape. Version codes and rollout stages keep updates controlled and observable.
Handoff and team enablement
The team receives documentation covering the Android architecture, the build process, and the Play Console release workflow. This lets internal teams manage future releases and maintain the app independently.
Ongoing care and maintenance
Ongoing care covers OS version updates, Play Store policy changes, and new device categories. Regular maintenance keeps the app compliant with Play review and privacy policy requirements and performing across hardware.
Related services
Android development pairs with backend work for API and backend integration, and with testing and deployment services for release pipelines. Teams needing one codebase across platforms can also evaluate React Native or Flutter.

[ Common questions ]

Kotlin and Jetpack Compose give direct control over Android platform behavior and performance across a fragmented device landscape. If Android quality is the priority, native is the direct path.

The build is planned around device fragmentation and performance realities from discovery onward. Crash reporting, performance profiling, version codes, and staged rollout keep that variance managed.

The app bundle (AAB) is the publishing format accepted by the Google Play Console. Combined with version codes it gives Play Store release and staged rollout a clean path for each update.

Distribution runs through the Google Play Console and must satisfy Play review and privacy policy requirements. Submission uses the app bundle and the app metadata required for review.

Yes, in-app purchases and FCM push notifications are part of the platform build. App links also provide deep linking between web and app content.

[ Proof ]

Reference engagements for android development.

Target metrics for discovery and acceptance — the full reference set is 3 projects deep.

Representative example

Mobile Apps / Android Development

A passenger ferry operator gave commuters a timetable and ticket app that works when the harbor connection doesn't

62% 89%Share of digital tickets validated offline-capable at first launch of the trial season, read from the operator's validation logs

Representative example

Mobile Apps / Android Development

A home-infusion pharmacy gave its delivery nurses a proof-of-delivery app that survives basement drops

Paper manifests app-verified deliveriesEvery route in the pilot region confirmed in-app, with reconciliation exceptions reviewed each morning

Representative example

Mobile Apps / Android Development

A warehouse-staffing agency cut shift check-in to a phone tap and stopped losing hours to paper timesheets

Clipboard geofenced check-inAll active sites check in through the app, with timesheets flowing to payroll on the fixed weekly window

All mobile apps services

[ Sibling platforms ]

Other ways we build in mobile apps.

01

iOS Development

Native iPhone and iPad applications built with Swift and SwiftUI for App Store-ready quality and performance.

SwiftSwiftUIApp Store
02

React Native Development

React Native applications using the New Architecture where appropriate, sharing a maintainable codebase while still delivering platform-appropriate experiences.

React NativeNew ArchitectureExpo
03

Flutter Development

Flutter apps with a unified interface system, performant interactions, and dependable iOS and Android delivery.

FlutterDartCI/CD

[ Field guides ]

Go deeper on android development.

01

Android release readiness: versioning, bundles, and Play Console checks

Android releases require an AAB, version codes, signing, policy declarations, testing tracks, store listing assets, and Play Console review preparation.

4 min read
02

Android Development: implementation decisions that shape the build

Native Android applications built with Kotlin and Jetpack Compose for the device and performance realities of the platform.

4 min read

[ Next step ]

Start with a scoped proposal. Price attached.

Book a discovery callSee the work
contact@nexsumlabs.com — we reply within one business day

Back to Mobile Apps

The full mobile apps lineup.