Portfolio · Proof of work

Real accounts. Real numbers.

See the results Tools I built
Foxscore · Google Ads · 4 accounts
Apr 1 – Nov 8, 2026
Cost / conv.
₫8,494
Cost
₫1.22B
Conversions
143,382
Google App CampaignsAndroid · iOSInstall & sign-up goals
₫1.68B
Ad spend managed (Google + Meta)
143K+
Google Ads conversions
₫8,494
Google cost per conversion
22.4K
Meta app installs
2
In-house tools built & shipped
Case study · Google Ads

Foxscore: scaling a football app on Google App Campaigns

Channel
Google App Campaigns
Platforms
Android · iOS
Period
Apr 1 – Nov 8, 2026
My role
Set up, run & optimize
Account Cost (₫) Conv. Cost / conv.
Foxscore 1D
 636,090,73379,413₫8,010
Foxscore 3Tommy
 302,171,02629,697₫10,175
Foxscore 2D
 225,022,16425,859₫8,702
Foxscore 4D Tommy
 54,659,5088,413₫6,497
BEST
Total1,217,943,431143,382₫8,494

What the numbers show

    Screenshots taken directly from Google Ads. Account IDs are hidden. Click to enlarge.

    Case study · Meta Ads

    Foxscore on Meta: app installs at scale

    Spend
    ₫463,908,402
    App installs
    22,434 · ₫20,679 CPI
    Registrations
    4,348 · ₫106,695 each
    Impressions
    10.7M · CTR 1.05–1.14%
    Account Cost (₫) Installs CPI Registr.
    Meta account A
    		 227,220,59710,472₫21,6982,152
    Fox3 - 2
    		 236,687,80511,962₫19,7872,196
    Total463,908,40222,434₫20,6794,348

    What the numbers show

      Screenshots taken directly from Meta Ads Manager (lifetime data up to Nov 6, 2026). Click to enlarge.

      Video creatives · Foxscore

      Product videos built for vertical feeds

      Fan zone0:39 · 9:16

      A presenter in the middle of a cheering fan crowd, tying the match-day buzz to the app.

      Analysis studio0:32 · 9:16

      A studio-style explainer: live stats on screen, the app in hand, the key features in under 35 seconds.

      App demo0:36 · 9:16

      Real app screens (live score, line-ups, community feed) followed by a direct call to download.

      Tools I built

      I build tools to remove the slow parts of UA

      Meta Ads

      Meta Campaign Factory

      Set once. Select ad accounts. Create all.

        Meta Marketing APIBulk launchVI / EN
        Open tool Login required
        AI Creative

        Xưởng Ảnh Video (AI Creative Studio)

          Gemini · OpenAI · GrokImage → VideoAd copy AI
          Open tool Login required
          Contact

          Want results like these for your app?

          Send an email View full CV
          Email
          duongtien20082002@gmail.com
          Phone
          0972965607