Aquarius Infotech
Mobile engineering
Native Android applications engineered around performance, reliability, maintainability and scalable backend integrations.
Our work concentrates on the parts of Android that decide whether an application behaves the same on a test device and on a three-year-old handset with aggressive battery management: process lifecycle, background execution, data persistence and sync.
Practice at a glance
Capabilities
A layered structure with clear boundaries between presentation, domain and data, so features can be added without the codebase becoming a single mutable state.
Local storage designed for the case where the network is unavailable, slow or lying, rather than for the case where it works.
The area where Android differs most across manufacturers and versions, and where most reliability complaints originate.
The application's contract with everything outside it, designed so that a failure on one side degrades rather than crashes.
Enough visibility to answer what happened on a device we do not have in front of us.
In-app advertising integrated so that revenue can be compared against acquisition cost on consistent definitions.
Release engineering
A release is a process, not an upload. Build configuration, signing, versioning, track management and the store metadata that accompanies it all have to be reproducible, because the next release will need the same steps under time pressure.
Build types and product flavours, signing configuration, code shrinking and resource shrinking, and versioning that maps to something a human can trace.
Permissions and their declared purpose, data safety disclosures, target API level, policy-sensitive functionality and store listing content reviewed against current platform requirements.
Internal, closed and open testing tracks used deliberately, with staged rollout percentages chosen so that a regression is caught on a fraction of the install base.
Crash-free rate, ANR rate and vitals watched after each rollout, with the ability to halt a staged rollout rather than ship a fix under pressure.
On platform approval
We prepare applications and releases with applicable platform requirements in mind. We do not guarantee Google Play approval, review timelines, ranking or reinstatement of a removed application — those decisions belong to the platform. Where a release is rejected, we assist with understanding the stated reason and correcting what is within our control.
Measurement
If the application is going to be advertised, the analytics work is not a follow-up task. The event schema determines what the campaign can bid toward, and it is far cheaper to define correctly than to reconstruct after spend has started.
Defined in the application
Verified before spend
Where the same engagement also covers advertising, this instrumentation feeds directly into the campaign work described on our Google Ads management page.
After launch
Android does not stand still. Target API requirements, deprecated APIs, SDK updates and OEM behaviour changes all arrive on someone else's schedule.
Target API level increases, permission model changes and policy-driven adjustments carried out ahead of enforcement deadlines where notice allows.
Library and SDK updates applied deliberately, with regression checks, rather than accumulated until an upgrade becomes a rewrite.
Crash and ANR clusters investigated by device, OS version and manufacturer, prioritised by affected sessions rather than by report volume.
Incremental releases against an agreed backlog, using staged rollout and remote configuration to control exposure.
What we need from you
Engagements move quickly when these are available at the start.
For a new build
For an existing application
Questions
No. Application review outcomes are decided by Google. We prepare releases with applicable platform requirements in mind — permissions and their declared purpose, data safety disclosures, target API level, policy-sensitive functionality and store listing content — and we correct issues that are within our control. No developer or agency can guarantee a review decision.
Yes. Taking over an existing application starts with an audit covering architecture, dependency and target API status, crash and ANR history, background work behaviour, analytics coverage and release configuration. The output is a written assessment with a prioritised list, and it is separable from any implementation work that follows.
Our practice is native Android in Kotlin and Java. We do not present ourselves as an iOS or cross-platform shop. Where a project requires those, we say so at scoping rather than accepting the work.
The client. Source code ownership is set in the engagement, and our normal position is that the client owns the deliverable. The Play Console account, the application listing, the signing keys and the developer identity remain the client's throughout. Access we hold is granted by the client and is returned or removed at the client's direction when an engagement ends.
No. Mobile engineering is engaged independently as often as it is combined with advertising. Where both are in scope, the benefit is that the same team defines the conversion events in the application and optimises the campaigns against them.
Start a conversation
New build, an existing codebase that needs work, or a release that keeps running into platform requirements — send the detail and we will respond with scoping questions.