As you know, Minecraft Bedrock Edition now has a new type of shaders support, which is really great, and you can find a lot of pack/shaders for this, but...
Texture Packs with Shaders for Minecraft PE
A must-have quality of life pack! Show more stats on item names using simple and easy-to-understand icons! See a mob's HP, mob hostility, foods' hunger & saturation points, armor points, and
HyRD Enhanced Graphics For MCBE, Support 1.19 & 1.20+ (Windows/iOS/Android)
This 1.18 shader improves some of the basic lighting and visual projections by introducing a highly different approach of portraying a large improvement to the game.
This 1.18 shader is very simple and generic that it was deemed very smooth by the community with low-end devices.
Zebra Shaders is a realistic shaders pack that is made to be able to run on mobile low devices, with beautiful coloring and comfortable in sight.
This texture pack adds clear water textures in the game, which are more transparent (clear), with better texture and reduced fog.
The ambience of Minecraft is pretty empty and lonely, but this resource pack will fill your Minecraft worlds with relaxing ambient sounds and also improves some of the in-game sounds.
Vanilla PBR is a resource pack that enables Minecraft players to take full advantage of the new Deferred Lighting Rendering Pipeline Graphics and features in Minecraft 184.108.40.206 Preview and above.
Night Vision texture pack for Minecraft: Bedrock Edition.