Mobile Game Store Listing Analysis in Japan
Across 4.034 mobile game store listings (Japan), the median ASO score is 87/100, with 19.6 languages and 17.9 screenshots on average. 1% ship in two languages at most and 0% have no feature graphic.
Source: Shotyend ASO Index — compiled from public Google Play listing data on 2026-10-19 (sample: 4.034 apps).
We compared 4.034 mobile game store pages. The average language count is 19.6 and the average screenshot count is 17.9, giving a mean listing score of 85.5/100.
Listing score distribution
Language coverage and missed markets
Language scanning of 4034 apps found 19.6 languages on average, and only 99% reach five or more.
| Language | Share of apps published | |
|---|---|---|
| English | 99% | |
| Japanese | 98% | |
| Spanish | 98% | |
| German | 98% | |
| French | 98% | |
| Korean | 98% | |
| Portuguese (BR) | 98% | |
| Russian | 98% | |
| Chinese (Simpl.) | 98% | |
| Italian | 98% | |
| Turkish | 98% | |
| Arabic | 98% | |
| Vietnamese | 97% | |
| Thai | 97% |
Biggest missed markets
| Language | Share without a listing | Approx. download share |
|---|---|---|
| Hindi | 2% | ~5.8% |
| Dutch | 2% | ~0.8% |
| Ukrainian | 2% | ~0.8% |
| Indonesian | 2% | ~3.1% |
| Polish | 2% | ~1.2% |
Visual assets
On the visual side we measured 17.9 screenshots on average, with 2% using fewer than five and 100% having a feature graphic.
Text and ASO fields
The short description uses 70 characters on average, leaving 12% of the 80-character field unused. Long descriptions average 1994 characters.
Most used terms in this category
What do the best listings do differently?
Measured gap between the top-scoring 10% and the rest of this category (learned from 22.863 apps).
| Top 10% | Others | |
|---|---|---|
| Average score | 96.1 | 84 |
| Avg. screenshots | 21.9 | 17.6 |
| Avg. languages | 19.9 | 19 |
| Short description | 77.9 | 64.5 |
| Long description | 2682.4 | 1895.7 |
| Feature graphic | 100% | 100% |
| Video | 97.6% | 41.7% |
Key takeaways
- The most missed market is Hindi: 2% of apps have no listing in that language (~5.8% of downloads).
- 49% of apps have a promo video; listings without one are visibly behind in this category.
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Frequently asked questions
How many languages do mobile game listings support on average?
19.6 languages on average. 1% of the sample ships in two languages at most (N=4.034 apps).
How many screenshots should a store listing have?
The sample averages 17.9 screenshots; 2% publish fewer than five (N=4.034).
What is the average ASO score in this category?
85.5/100 on average, with a median of 87/100 (N=4.034).
Is a feature graphic common in this category?
100% of the sampled apps publish a feature graphic (N=4.034).
Where does this data come from?
The Shotyend ASO Index: a sample of 4.034 apps compiled from public Google Play store pages on 2026-10-19. No app names or developer details are published.