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I will build an ai agent that reads and operates your android app screen
Donggeun Hwang
About this gig
Stop checking your phone all day. An AI agent watches the app, picks what matches, and handles the chat.
It runs on your always-on PC (Windows, Mac or Linux) and controls an Android phone on the same Wi-Fi over wireless debugging: reads the screen, taps and types. Nothing is installed on the phone.
HOW IT WORKS (marketplace example)
- Detect: scans search results on a schedule (conditions in a config)
- 2. Judge: AI reads the detail screen, decides if it matches
- 3. First message: AI drafts, you approve, it sends (or full auto)
- 4. Follow-ups: reads replies, asks the next question
- 5. Approval: deals and payments wait for your OK via Telegram
New app? Add a rule file, not a rebuild (MCP-based).
YOU GET: agent (installer + source), rule files, Telegram approval bot, remote install, user guide, 1 month free support. No server; you pay only your own AI API usage (about $20-70/mo).
Automated actions can be grounds for account limits, so approval gates and rate limits are on by default. I do not bypass app policies or identity checks.
About me: full-stack engineer at a Korean B2B SaaS company (2 yrs 9 mo); Java Android apps, real-time crawling web app, multi-LLM code review pipeline.
Get to know Donggeun Hwang
Donggeun Hwang
Software Engineer
- FromSouth Korea
- Member sinceAug 2026
- Avg. response time14 hours
Languages
Korean
I'm Donggeun, a full-stack engineer building B2B SaaS high-availability systems at a Korean enterprise. Recently: an Apache Camel 2.x to 3.x migration across 13 libraries, an OpenJDK security upgrade, multi-node split-brain logic, and a legacy to Spring Boot + React migration.
I build:
- Web apps, front to back (Next.js, React, Node.js, Python)
- Cross-platform mobile apps (iOS + Android)
- Automations and data pipelines (Python + LLM APIs)
- AI features: chatbots, RAG search, summarization
Open source: KakaoAsset (real-time crawling, ElasticSearch, K8s).
What I deliver runs in production.
My Portfolio
FAQ
Could this get my account restricted?
Automated actions and repeated messages can be grounds for account limits on most apps. That is why approval gates sit before the first message and every deal step, and rate limiting is on by default. I do not build anything that bypasses app policies or identity verification. Fully automatic sendin
Does it work with iPhone?
As a second-phase option. iPhone needs a small test app installed on the phone and a Mac to sign it. Android needs nothing installed and works over wireless debugging alone. Ask during consultation and I will quote it separately.
Do I really need a PC? Can it run on the phone only?
You need an always-on PC. A mini PC is fine, and Windows, Mac and Linux all work. The agent runs on the PC and controls the phone over the same Wi-Fi, so it cannot run on the phone alone. No cloud server is needed.
What does it cost to run?
Only your AI API usage, billed to your own account. Depending on daily volume it is typically $20-70 per month. There is no server cost. Setup steps are in the guide.
Can it handle apps other than marketplace apps?
Yes. The screen reading and control layer is app-agnostic; only the rule file differs per app. A second app is added as an extra (from $600). Effort depends on the app's screen structure, so tell me the app name during consultation.
