Flexbooru
Very good and universal Booru client

Version: 2.7.3.c1170

Mod features:
1. Unlocked Subscription

Zaycev.net
Another one music app

Version: 7.15.1

Mod features:
1. Unlocked Premium subscription
2. Disabled ads
3. Disabled metrics

TempMail
Popular service for free and temp mail

Version: 2.78

Mod features:
1. Unlocked some Premium features
2. Disabled ads
3. Disabled metrics

Some premium features are locked because they are locked on the server.

VPNhub
Another VPN service powered by Pornhub

Version: 3.11.2-mobile

Mod features:
1. Unlocked Premium
2. Disabled ads
3. Disabled metrics

Yandex Music
Great alternative for Soundcloud and Deezer

Version: 2021.06.2 #3883 (24021306)

Mod features:
1. Unlocked Yandex Plus Subscription
2. Fixed installing with official Yandex Apps
3. Fixed VK/Facebook auth

Yandex.Music (for old devices)
Great alternative for Soundcloud and Deezer

2019.09.2 #3263 (5.0+)
-Unlocked Yandex Plus Subscription
-Disabled useless dialogs like GDPR
-Fixed auth by Facebook and VK
-Fixed installing with official Yandex Apps
-Unlocked seekbar in Radio

Reddit
Very popular service to communicate

Version: 2021.22.0

Mod features:
1. Hidden ads and promo posts (where it was possible)
2. Unlocked some Premium features (You need to log into your account)


Google Auth doesn't work

Duolingo
Good service for learn languages

Version: 5.14.3

Mod features:
1. Unlocked Plus Subscription
2. Fixed Facebook auth
3. Disabled ads
4. Disabled metrics

Почта Mail.ru
Popular russian mail service

Version: 13.10.0.33031

Mod features:
1. Disabled ads
2. Disabled metrics
3. Unlocked debug menu

armv7 only version available

1Money
Useful app for calculate your costs

Version: 2.4.0

Mod features:
1. Unlocked Premium (You need to sign in to your account)
2. Disabled ads
3. Disabled metrics
4. Fixed Facebook auth