Character-led iOS and Android game
Original characters, story, missions, touch controls and level progression. Gameplay and content production are planned from the first playable build.
iOS · Android · App Store · Google Play
SourSpark develops iOS and Android apps and character-led mobile games for YouTubers and creators. We plan channel apps, story-led games and mini games from product design through store release.
Tell us about your mobile app or game →Examples from our own published mobile products ↓

Original characters, story, missions, touch controls and level progression. Gameplay and content production are planned from the first playable build.
An app built around your channel’s content and user journey. Content areas, accounts, notifications and an admin panel can be included to suit the brief.
Mini games can be combined with a channel or brand app’s main content and account flow. Their place in the app and progression model are defined from the start.
iPhone and, where required, iPad layouts, device testing, store artwork and App Store release submissions are considered together.
Target devices, screen sizes, performance, test builds and Google Play listing assets are included in the product plan.
These are SourSpark’s own portfolio products. They demonstrate mobile interfaces, gameplay and store release experience. They are not presented as apps delivered to a named YouTuber client. Each product’s available store links are shown separately.
iOS · Android

An iOS and Android word puzzle. Genuine gameplay artwork demonstrates touch controls, puzzle interfaces and level flow.
Explore product and store details →iOS · Android

An iOS and Android colour-connection puzzle. Its real screen and icon show mobile game interaction and clear objective design.
Explore product and store details →iOS · App Store

A published iOS keyboard app. Translation and AI-assisted writing features demonstrate mobile app development beyond games.
Explore product and store details →Genuine SourSpark product icons and store artwork, shown in their original languages. This WordQuest store image still uses its former name, WordTrail.
We define the audience, app or game concept, characters or content areas, and iOS/Android priorities together.
A working build tests the screen flow or gameplay. We then develop the agreed artwork, features and any backend services needed.
We check mobile layouts and performance, then prepare the listing, artwork, release submission and post-launch maintenance scope.
Yes. Depending on the channel’s product idea, we plan iOS and Android apps with the interface, content flow, accounts and server work they need. The brief defines which features belong in the first release.
Yes. We can plan the character, gameplay, missions and levels together. The first playable build is used to assess the controls and core game loop.
It can target iOS, Android or both. The choice depends on your audience, scope and budget. Each portfolio product’s platform availability is shown through its own store links.
Send your channel link, audience, app or game idea, characters we can use and target platforms. These help us define the first release and the project deliverables.
Tell us about your YouTube channel, audience and product idea. We can define the scope of a first iOS or Android release together.
Tell us about your mobile app or game →