Here are some ideas for sample projects you could create with a framework (or library) to demonstrate how they approach solving specific problems.
- Battery status monitor
- Benjamin Franklin's 13 Virtues app
- Book search
- BTN workouts app
- Calculator
- Calendar app
- Calorie Counter (Weight loss) app
- Client-side photo editor (VSCO/Darkroom app)
- Cloud audio player
- Code search
- Collaborative Etherpad Lite like Markdown editor
- Connectivity checker
- Contacts manager
- Countdown timer / Stop watch
- Dashboard
- Dedicated Compass
- Diet tracker
- Docker Client
- Employee manager
- eReader
- Fantasy football
- File sharing app
- Flashlight
- Gallery or Portfolio app
- Gift app (find gifts for friends)
- GitHub API client
- Google/Chrome/Android developer video search app
- Guitar Tabs
- Guitar tuner
- Guitar/stringed instrument chord finder
- Gym Keeper (Sets / Rep Counter)
- Hangman
- House search app targeting family needs
- Instagram client
- Kanban board
- Kids' milestones tracker
- Movie Reviews
- Movies / IMDB search
- National Rail
- Nearby (transport, cafes, anything)
- News reader (e.g RSS reader)
- Note taking app
- Offline book reader
- Pedometer
- Photo booth
- Photo Cropper
- Photo sharing app
- Planning Poker Cards
- Podcast player
- Pomodoro App
- QR Code Scanner
- Quiz/trivia app
- Recipes app
- Reddit client
- Reminders app
- Runkeeper
- Simple game (e.g cards or LetterPress)
- Snap and share client (Camera app, share to Drive)
- Speed Test app
- Spirit Level
- Stack Exchange Client
- Sticky App
- Stock Portfolio Tracker
- Tic-tac-toe
- Time Table App
- Timetable app
- ToDo List (Classic)
- Travel app
- Tunes / Music finder / player
- Twitter client
- Typing test
- Vine
- Weather app
- What’s near me? (Google Maps API)
- WhatsApp Style Messaging App
- Wine cellar (wine manager)
- Working parents dinner app
- YouTube API/search client