RYUKIN

Installs

4.7k

Rating

4.9

Rating count

< 500

Category	Entertainment
Developer	箱﨑正崇
Price	400
First release	3/7/2024 (2 years ago)
Version	1.12.2
In-app purchases	No
Contains ads	No
Content rating	Rated for 3+
Package name	com.hacoapp.ggla.ryukin

View on Play Store

Core Metrics

Data Breakdown

Date	Rating Count	Average Rating	Installs	Version
9/14/2025	190	4.892	4,717	1.12.2
9/13/2025	190	4.892	4,716	1.12.2
9/12/2025	190	4.892	4,716	1.12.2
9/7/2025	190	4.892	4,709	1.12.2
9/6/2025	190	4.892	4,708	1.12.2
9/5/2025	189	4.891	4,704	1.12.2
9/4/2025	189	4.891	4,702	1.12.2
9/3/2025	189	4.891	4,699	1.12.2
9/2/2025	189	4.891	4,696	1.12.1
9/1/2025	189	4.891	4,695	1.12.1
8/31/2025	188	4.890	4,694	1.12.1
8/30/2025	188	4.890	4,690	1.12.1
8/29/2025	188	4.890	4,687	1.12.1
8/28/2025	188	4.890	4,686	1.12.1
8/27/2025	188	4.890	4,685	1.12.1
8/26/2025	188	4.890	4,685	1.12.1
8/25/2025	188	4.890	4,683	1.12.0
8/24/2025	186	4.890	4,679	1.12.0
8/23/2025	186	4.880	4,676	1.11.5
8/22/2025	186	4.880	4,675	1.11.5
8/21/2025	186	4.880	4,673	1.11.5
8/20/2025	185	4.880	4,670	1.11.5
8/19/2025	184	4.881	4,669	1.11.5
8/18/2025	184	4.881	4,669	1.11.5
8/17/2025	184	4.881	4,668	1.11.5
8/16/2025	184	4.881	4,667	1.11.5
8/15/2025	184	4.881	4,665	1.11.5
8/14/2025	184	4.881	4,663	1.11.5
8/13/2025	184	4.881	4,663	1.11.5
8/12/2025	184	4.881	4,661	1.11.5
8/11/2025	184	4.881	4,660	1.11.5
8/10/2025	184	4.881	4,654	1.11.5
8/9/2025	184	4.881	4,653	1.11.5
8/8/2025	184	4.881	4,649	1.11.5
8/7/2025	184	4.881	4,649	1.11.5
8/6/2025	184	4.881	4,645	1.11.4
8/5/2025	184	4.881	4,644	1.11.4
8/4/2025	184	4.881	4,641	1.11.4
8/3/2025	184	4.881	4,640	1.11.3
8/2/2025	184	4.881	4,638	1.11.2
8/1/2025	184	4.881	4,635	1.11.1
7/31/2025	183	4.881	4,633	1.11.1
7/30/2025	182	4.881	4,625	1.11.1
7/29/2025	182	4.881	4,622	1.10.1
7/28/2025	182	4.881	4,622	1.10.1
7/27/2025	182	4.881	4,622	1.10.1
7/26/2025	182	4.881	4,616	1.10.1
7/25/2025	183	4.881	4,616	1.10.1
7/24/2025	183	4.881	4,612	1.10.1
7/23/2025	183	4.881	4,611	1.10.1
7/22/2025	182	4.880	4,610	1.10.1
7/21/2025	182	4.880	4,609	1.10.1
7/20/2025	182	4.880	4,603	1.10.1
7/19/2025	182	4.880	4,603	1.10.1
7/18/2025	182	4.880	4,599	1.10.1
7/17/2025	182	4.880	4,597	1.10.1
7/16/2025	182	4.880	4,596	1.10.1
7/15/2025	182	4.880	4,594	1.10.1
7/14/2025	0	0.000	4,588	1.10.1
7/13/2025	0	0.000	4,586	1.10.1
7/12/2025	0	0.000	4,586	1.10.1
7/11/2025	0	0.000	4,585	1.10.1
7/10/2025	0	0.000	4,584	1.10.1
7/9/2025	0	0.000	4,582	1.10.1
7/8/2025	0	0.000	4,582	1.10.1
7/7/2025	181	4.880	4,582	1.10.1
7/6/2025	181	4.880	4,577	1.10.1
7/5/2025	181	4.880	4,575	1.10.1
7/4/2025	181	4.880	4,575	1.10.1
7/3/2025	181	4.880	4,573	1.10.1
7/2/2025	181	4.880	4,573	1.10.1
7/1/2025	181	4.880	4,573	1.10.1
6/30/2025	180	4.883	4,572	1.10.1
6/29/2025	180	4.883	4,572	1.10.1
6/28/2025	180	4.883	4,572	1.10.1
6/27/2025	180	4.883	4,570	1.10.1
6/26/2025	180	4.883	4,566	1.10.1
6/25/2025	180	4.883	4,563	1.10.1
6/24/2025	180	4.883	4,563	1.10.1
6/23/2025	180	4.883	4,560	1.10.1
6/22/2025	180	4.883	4,556	1.10.1
6/21/2025	180	4.883	4,556	1.10.1
6/20/2025	180	4.883	4,553	1.10.1
6/19/2025	180	4.883	4,550	1.10.1
6/18/2025	180	4.883	4,550	1.10.1
6/17/2025	180	4.883	4,550	1.10.1
6/16/2025	180	4.883	4,545	1.10.0
6/15/2025	180	4.883	4,545	1.10.0
6/14/2025	180	4.883	4,537	1.10.0
6/13/2025	180	4.883	4,537	1.10.0
6/9/2025	0	0.000	4,529	1.10.0
6/8/2025	0	0.000	4,516	1.10.0
5/29/2025	181	4.880	4,515	N/A
5/28/2025	176	4.880	4,487	N/A
5/27/2025	176	4.880	4,485	N/A
5/24/2025	176	4.880	4,484	N/A
5/22/2025	175	4.880	4,479	N/A
5/21/2025	175	4.880	4,475	N/A
5/20/2025	175	4.880	4,475	N/A
5/19/2025	175	4.880	4,474	N/A

Details

～ Touch & Fun Adorable Goldfish ～
Watch mesmerized as goldfish gracefully dance through the crystal-clear water, their fins gently flowing in the water. Interact with these adorable goldfish as they respond to your touch and follow your finger.


App Highlights
- Tranquil Escape: Immerse yourself in a tranquil world with stunning visuals, soothing water sounds, and realistic fish movements.
- Interactive Play: Touch, tilt, and feed your virtual goldfish to create a unique and engaging bonding experience.
- Customization: Choose from a variety of aquariums, backgrounds, and objects to create your own personalized underwater world.
- Relaxation and Fun: RYUKIN is perfect for unwinding after a long day or providing entertainment for kittens and toddlers.


Settings
- Camera options (Free position, Follow the goldfish, Auto-rotation)
- Language selection (15 languages)
- Screen orientation
- Device tilt sensitivity
- Auto-sleep settings
- Effects toggles for water surface, bubbles, etc.
- Adjust brightness, vividness, contrast, and color tones
- Quality settings (resolution, various effects, etc.)
- Volume control for water and bubble sounds


Other Features
- Interact with fish, objects, and the water surface through touch and tilt.
- Goldfish may whimsically approach your finger for playful interaction.
- Excessive tapping may cause the goldfish to faint.
- Feed the goldfish and adjust the size of fish and objects.
- Display up to six fish at a time.
- Touch Mode for Cats and Babies
- White and black goldfish are available by default. (Colored, cat, and robot fish are available for purchase.)
- Clock and date display feature
- Expect exciting future updates with even more goldfish, tanks, and objects!


‥∴ Bringing the Allure of Goldfish Closer ∴‥
This app is the culmination of the developer's childhood dream: to bring the beauty of goldfish to life through programming. After 15 years of development and refinement since the release of the previous version, "Wa Kingyo," this app strives to reproduce the elegant and charming behavior of goldfish. From the gentle movements of their fins to the pursuit and munching of food, I hope you feel the enchantment of these captivating creatures.


News and Support
X (Twitter): @m_hakozaki
Instagram: @masataka.hakozaki

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