Android Deployment

This guide covers deploying your rebranded Lumo app to the Google Play Store, from preparation to going live.

Pre-Deployment Checklist

Required Assets

App Bundle (AAB): Built and signed for release
App Icon: 512x512px PNG with transparency
Feature Graphic: 1024x500px (no text overlays)
Screenshots: Minimum 2, maximum 8 per device type
Privacy Policy: Published and accessible URL
App Description: Compelling store listing copy

Technical Requirements

Target SDK: Latest stable Android API level
Minimum SDK: API 23 (Android 6.0) or higher
64-bit Support: Required for Play Store
App Bundle: Preferred over APK for smaller downloads
Permissions: Only request necessary permissions

Google Play Console Setup

1. Create Developer Account

Visit Google Play Console
Pay $25 one-time registration fee
Complete identity verification process
Accept Developer Distribution Agreement

2. Create New App

Click “Create app” in Play Console
Fill out basic information:
- App name: Your rebranded app name
- Default language: English (or primary language)
- App or game: App
- Free or paid: Free (recommended for authenticator apps)
Complete declarations:
- Developer Program Policies: Accept
- US export laws: Confirm compliance

App Content Configuration

1. App Information

Main Store Listing

App name: YourAuth
Short description (80 chars): Secure 2FA authenticator with encrypted cloud backup

Full description (4000 chars):
YourAuth is a secure two-factor authentication app that protects your accounts with military-grade encryption and seamless cloud backup.

🔐 SECURITY FIRST
• AES-256 encryption for all data
• Biometric authentication (fingerprint, face unlock)
• Zero-knowledge architecture - we can't see your data
• Offline functionality for maximum reliability

📱 EASY TO USE
• Scan QR codes for instant setup
• Automatic cloud backup and sync
• Clean, intuitive Material Design interface
• Dark and light themes

🌟 ADVANCED FEATURES
• Support for TOTP and HOTP standards
• Compatible with Google, Microsoft, GitHub, Discord, and 1000+ services
• Search and organize your accounts
• Export/import functionality

🔒 PRIVACY GUARANTEE
Your secrets are encrypted on your device before any cloud storage. We use zero-knowledge encryption, meaning even we cannot access your authentication codes.

PERFECT FOR:
• Protecting social media accounts
• Securing work and business accounts
• Adding extra security to financial services
• Safeguarding gaming and entertainment platforms

Download YourAuth today and take control of your digital security!

Keywords: authenticator, 2FA, two-factor, security, TOTP, backup, encryption, biometric

App Category

Category: Productivity
Tags: Tools, Security, Business

2. Graphic Assets

App Icon

Size: 512x512px
Format: PNG with transparency
Requirements: High-resolution, recognizable at small sizes

Feature Graphic

Size: 1024x500px
Content: Showcase key features, no text overlays
Style: Match your app’s visual design

Screenshots

Phone Screenshots (Required)

Sizes: 320dp-3840dp wide, 320dp-3840dp tall
Recommended: 1080x1920px or 1080x2340px
Minimum: 2 screenshots
Maximum: 8 screenshots

Screenshot Examples:

Main OTP List: Show populated account list
QR Scanner: Demonstrate easy setup
Dark Theme: Show theme options
Settings: Highlight security features
Backup Setup: Show cloud sync capabilities

Tablet Screenshots (Optional)

Sizes: 1200x1920px recommended
Format: 7-inch and 10-inch tablet layouts

3. Video Preview (Optional)

Duration: 30 seconds to 2 minutes
Platform: YouTube video URL
Content: Demonstrate key features and user flow
Quality: HD 1080p minimum

Example Video Script:

0-5s: Show app icon and name
5-15s: Demonstrate QR code scanning
15-25s: Show OTP generation and copy
25-30s: Highlight security features
30s: Call to action - "Download now"

Store Listing Optimization (ASO)

1. Keyword Research

Primary Keywords:

authenticator
2FA
two factor authentication
TOTP
security
biometric
encryption

Long-tail Keywords:

secure authenticator app
encrypted 2FA backup
biometric authenticator
TOTP generator
Google authenticator alternative

2. Title and Description Optimization

App Title Options:

“YourAuth - Secure 2FA Authenticator”
“YourAuth: 2FA & Security”
“Secure Authenticator - YourAuth”

Short Description Tips:

Include primary keyword “authenticator”
Mention key differentiator (encryption, backup)
Keep under 80 characters
Use action words

3. Localization

Consider translating for major markets:

Spanish: Latin America, Spain
Portuguese: Brazil
French: France, Canada
German: Germany, Austria
Italian: Italy
Japanese: Japan
Korean: South Korea
Chinese (Simplified): China
Chinese (Traditional): Taiwan, Hong Kong

Release Management

1. Internal Testing

# Build and upload to internal testing
flutter build appbundle --release

Upload AAB to Internal testing track
Add test users (up to 100 email addresses)
Test core functionality:
- App installation and launch
- QR code scanning
- OTP generation
- Cloud backup/restore
- Settings and themes

2. Closed Testing (Alpha/Beta)

Alpha Testing

Audience: Small group of trusted testers
Duration: 1-2 weeks
Focus: Core functionality and critical bugs

Beta Testing

Audience: Larger group or public opt-in
Duration: 2-4 weeks
Focus: User experience and edge cases

Beta Test Plan

Week 1: Core functionality testing
- QR scanning and manual entry
- OTP generation accuracy
- Basic settings

Week 2: Advanced features
- Cloud backup and restore
- Biometric authentication
- Import/export functionality

Week 3: Edge cases and stress testing
- Large number of accounts
- Network interruptions
- Device compatibility

Week 4: Final polish
- UI/UX refinements
- Performance optimization
- Bug fixes

3. Pre-launch Report

Google Play automatically tests your app:

Crashes: App stability testing
Performance: Launch time, memory usage
Accessibility: Screen reader compatibility
Security: Malware and vulnerability scanning

Review Results:

Address any critical issues
Fix crashes and ANRs (Application Not Responding)
Optimize performance if needed
Ensure accessibility compliance

4. Production Release

Staged Rollout Strategy

1% rollout: Monitor for critical issues
5% rollout: Confirm stability
20% rollout: Gather user feedback
50% rollout: Prepare for full release
100% rollout: Complete deployment

Release Timeline

Day 1: Upload to production, 1% rollout
Day 2-3: Monitor crashes and reviews
Day 4: Increase to 5% if stable
Day 7: Increase to 20% if no major issues
Day 10: Increase to 50%
Day 14: Full 100% rollout

Content Rating

1. Complete Questionnaire

App Content:

Contains interactive elements? No
Shares location with other users? No
Allows communication between users? No
Contains user-generated content? No

Expected Rating: Everyone

2. Target Audience

Primary Age Group: 18-54 Content Appropriateness: All ages (security tool)

App Signing and Security

1. Play App Signing

Enable Google Play App Signing:

Generate upload certificate
Google manages app signing certificate
Provides additional security and recovery options

2. App Bundle Benefits

# Build optimized App Bundle
flutter build appbundle --release \
  --obfuscate \
  --split-debug-info=build/debug-info

Benefits:

Smaller downloads: Dynamic delivery
Better performance: Optimized APKs
Future-proof: Support for dynamic features

Privacy and Data Safety

1. Data Safety Declaration

Data Collection:

Personal Info: None
Financial Info: None
Health Info: None
Location: None
Contacts: None
User Content: Authentication data (encrypted)
App Activity: None
Device ID: None

Data Sharing:

Third Parties: None
Analytics: Optional (if enabled)

Security Practices:

Encryption in Transit: Yes
Encryption at Rest: Yes
Data Deletion: User can delete all data

2. Privacy Policy Requirements

Required sections:

What data is collected
How data is used
Data storage and security
User rights and controls
Contact information

Example Privacy Policy: https://yourcompany.com/privacy

Launch Strategy

1. Soft Launch

Target Markets: English-speaking countries

United States
Canada
United Kingdom
Australia

Goals:

Gather initial user feedback
Identify localization needs
Optimize store listing based on performance

2. Marketing Preparation

App Store Optimization:

Monitor keyword rankings
A/B test screenshots and descriptions
Respond to user reviews promptly

External Marketing:

Blog posts about security features
Social media promotion
Tech community outreach

3. Post-Launch Monitoring

Key Metrics:

Install rate: Conversion from store visits
Retention rate: Day 1, 7, 30 retention
Rating: Average star rating
Reviews: User feedback and sentiment
Crashes: App stability metrics

Weekly Review:

Monitor crash reports
Respond to user reviews
Track competitor activity
Plan feature updates

Maintenance and Updates

1. Regular Updates

Monthly Updates:

Bug fixes and performance improvements
Security patches
New service provider icons

Quarterly Updates:

New features
UI/UX improvements
Android version compatibility

2. Emergency Updates

Critical Issues:

Security vulnerabilities
Major crashes affecting >5% users
Data loss bugs

Emergency Process:

Fix issue immediately
Create hotfix build
Upload to production with 100% rollout
Monitor deployment closely

3. Long-term Maintenance

Annual Reviews:

Privacy policy updates
Terms of service review
Feature roadmap planning
Competitive analysis

Your Android app is now ready for the world! 🚀

Next Steps

iOS Deployment - Deploy to Apple App Store
Distribution - Alternative distribution methods
Monitoring - Post-launch analytics and maintenance