About this app
This is the official application of "Fumiya Fujii Mobile", which is the official mobile & smartphone site of Fumiya Fujii. You can check his latest information with this app anytime!
Latest release
What’s New
Version 4.1.1
Jan 13, 2026
Some functions have been updated.
Audience growth
Ratings growth
7-day gain
+0
Ratings / day
0.0
30-day gain
+0
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
Current
Free
Historical low
Free
Paid → free
0×
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 7, 2026 · 3:58 PM Free