
At a glance
- Latest version
- v0.0.5 (5)
- Updated
- Sep 1, 2026 (1 month ago)
- APK size
- 1 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- Any (no native code)
- Category
- Casual (game)
- Listed since
- Jan 19, 2020 (at least)
- Permissions
- 1
- Website
- geocities.jp/tatsuonagamatsu
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
TicTacToe for SmartWatch is a game by nagamatu in the Casual category, listed since at least January 2020. It has no native code, so it runs on any Android processor.
Since version 0.0.4, the APK grew from 400.4 KB to 1 MB and the minimum Android version rose from 2.1 to 5.0. It asks for 1 permission, none of them sensitive. It asks for the same permissions as version 0.0.4.
What's new in v0.0.5
Description
From the listing uploaded by “catappult”.
Version history
2 versions are listed, going back to v0.0.4. Since v0.0.5 it requires Android 5.0+.
Security & authenticity
Signing certificate
- Certificate issued to “Unknown” Not the developer's name (“nagamatu”). Names in certificates can't be verified, so this alone proves nothing.
- Same certificate as the other version checked
Store checks and file details
- Developer signature verified Sep 1, 2026
- Signed byCN=Tatsuo Nagamatsu, OU=Unknown, O=Unknown, L=Unknown, ST=Tokyo, C=JP
- Signing certificate (SHA-1)40:0F:9A:35:4F:A7:F4:D5:DF:D2:43:F9:7C:F3:37:5F:CB:30:E5:12
- File MD540bcf69e90fa4e296a931fe719ec2023
- Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (1)
TicTacToe for SmartWatch requests 1 permission, none of them sensitive.
- Extension permission (custom) com.sonyericsson.extras.liveware.aef.EXTENSION_PERMISSION
Required hardware & features
- Basic touch input android.hardware.faketouch
TicTacToe for SmartWatch APK: questions and answers
Is there a version of TicTacToe for SmartWatch for older Android phones?
The current version needs Android 5.0 or later. Version 0.0.4 is the newest listed build that installs on Android 2.1 and later. Get version 0.0.4 · All versions
Can I install this APK over the version I already have?
Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.
Is the TicTacToe for SmartWatch APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 40bcf69e90fa4e296a931fe719ec2023.