HTML5 · Product Manager · IAP Inventory Delivery guide
Use a browser-playable HTML5 context to produce a catalog and acceptance brief. Own offer scope, price ladder, free baseline, release policy, support ownership, and measurable acceptance criteria; treat the result as a workflow prototype, not proof that native billing is connected.
Create this game flow
Focused keyword and player case
Prototype a delivered item that moves from pending to owned exactly once and appears in the correct inventory slot. The product manager reviews idempotent delivery, quantity, ownership, and visible inventory state and delivers a catalog and acceptance brief. Acceptance means the team can state who the offer serves, what remains free, which outcome is accepted, and who owns refunds or support escalation.
Use the focused IAP Inventory Delivery hub for an authentic screenshot, direct playable result, and the complete purchase-state checklist. Gameplay evidence supports placement testing; it does not prove a live transaction.
Keep the catalog small and the player promise precise. Use the prototype to decide whether the idea deserves engineering effort, not to forecast revenue.
Design for the input, layout, interruption, and return behavior players expect from HTML5 games.
Browser delivery does not prove native store billing or platform approval.
Show one item the player may decline, its preview, precise Koin price, balance before spending, and ownership rule in a layout suited to HTML5 games.
Write how to connect successful purchase to a visible owned or quantity state. Keep each change visible to the player rather than hiding it in technical state.
Make a cancelled choice, a Koin shortage, pending, interrupted delivery, and reload visually distinct, with a safe next action.
Define the player need, item scope, ownership rule, Koin price, and free path. Check age context, accessibility, rights, and platform expectations. Use the prototype to resolve player-facing questions before creating platform integration tasks.
For a game product manager, this inventory delivery prototype should make every player action and result shown in the game easy to evaluate. Write how to connect successful purchase to a visible owned or quantity state. Define the player need, item scope, ownership rule, Koin price, and free path. Check age context, accessibility, rights, and platform expectations. Assume a player may open the game from a link in a new browser with limited prior context. Put item identity, Koin balance, and the return route inside the playable experience.
Try refresh, back navigation, a second tab, and returning after the page was suspended. A browser interaction must not imply native-store ownership or silently repeat a delivery action.
If the game uses a canvas, make focus, keyboard input, scaling, and purchase overlays cooperate. Closing the choice should restore game controls without leaving hidden buttons or trapped focus.
State which player problem the item addresses, why a purchase is appropriate, and what evidence would cause the team to drop the idea. The prototype supports a product decision; it does not forecast revenue.
Ask testers to complete the same goal with and without the item. Look for comprehension, pressure, fairness, and delivered value rather than using purchase completion as the only measure of a good experience.
Review age context, accessibility, localization, rights, moderation, platform policy, refunds, support, and security with the responsible owners. Keep unverified native capabilities and financial reporting out of the public promise.
A success message is not delivery. Place the cosmetic, consumable, unlock, or upgrade in the screen where the player expects to use it. Test that behavior using HTML5 games. Browser delivery does not prove native store billing or platform approval.
Use owned, equipped, unlocked, or remaining quantity as appropriate. The state should match the promise made on the offer card. Test that behavior using HTML5 games. Browser delivery does not prove native store billing or platform approval.
Reload the prototype and return to inventory. The item should remain visible without subtracting Koin or granting a second copy. Test that behavior using HTML5 games. Browser delivery does not prove native store billing or platform approval.
Choose the input and screen behavior for HTML5 games. State the platform limit beside the prototype brief.
Result: An honest scope
Write how to connect successful purchase to a visible owned or quantity state. Describe the player action and visible response at each point.
Result: A clear inventory delivery sequence
Show the item, exact price, balance, confirm, cancel, pending, success, and delivery without payment-provider screens.
Result: A complete player journey
Define the player need, item scope, ownership rule, Koin price, and free path. Check age context, accessibility, rights, and platform expectations.
Result: Product manager focus
Ask players what they expect before confirming and what they received afterward. Remove pressure language and unsupported platform claims. Repeat the test after interruption and reload.
Result: A stable prototype
Create a shareable browser session for a game product manager. Focus the IAP prototype on connect successful purchase to a visible owned or quantity state. Use a direct Koin item transaction with preview, exact price, confirmation, cancel, insufficient balance, success, delivery, and reload behavior. The game product manager must be able to balance player clarity, catalog scope, and release risk. Do not add subscriptions, payment-provider UI, revenue analytics, or native platform claims. State this boundary: Browser delivery does not prove native store billing or platform approval.
Keep the item optional. Show its clearly stated Koin cost, available Koin balance, confirm, cancel, low-balance, success, visible delivery, and reload states.
Own offer scope, price ladder, free baseline, release policy, support ownership, and measurable acceptance criteria. Coordinate adjacent work, but keep the page's acceptance artifact specific to this role.
Deliver a catalog and acceptance brief that records idempotent delivery, quantity, ownership, and visible inventory state, named owners, failure states, and the next production verification step.
No. Production release still requires authenticated records, security, refunds, platform compliance, monitoring, and support procedures.
Open the complete prompt in SEELE, adjust the item and Koin price, then generate a playable version you can test.
Open this prompt in Workspace